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Difference between revisions of "Topic/table/engineering"

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(move table from DF2014:Topic)
 
m (LethosorBot moved page DF2014:Topic/table/engineering to Topic/table/engineering: Migrating v50 page (4226/4618) (content))
 
(3 intermediate revisions by one other user not shown)
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! scope="col" style="width: 25%;" | Wikipedia link
 
! scope="col" style="width: 25%;" | Wikipedia link
 
! scope="col" style="width: 25%;" | Subdivision
 
! scope="col" style="width: 25%;" | Subdivision
 +
! scope="col" style="width: 25%;" | Skills used in research
 
|-
 
|-
 
|Armillary sphere
 
|Armillary sphere
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|[[wikipedia:Armillary sphere|Armillary sphere]]
 
|[[wikipedia:Armillary sphere|Armillary sphere]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Astrolabe
 
|Astrolabe
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|[[wikipedia:Astrolabe|Astrolabe]]
 
|[[wikipedia:Astrolabe|Astrolabe]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Dioptra
 
|Dioptra
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|[[wikipedia:Dioptra|Dioptra]]
 
|[[wikipedia:Dioptra|Dioptra]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Mural instrument
 
|Mural instrument
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|[[wikipedia:Mural instrument|Mural instrument]]
 
|[[wikipedia:Mural instrument|Mural instrument]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Orrery
 
|Orrery
|
+
|The construction and use of the orrery
 
|[[wikipedia:Orrery|Orrery]]
 
|[[wikipedia:Orrery|Orrery]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Spherical astrolabe
 
|Spherical astrolabe
|
+
|The construction and use of the spherical astrolabe
 
|[[wikipedia:Astrolabe|Astrolabe]]
 
|[[wikipedia:Astrolabe|Astrolabe]]
 
|Astronomy
 
|Astronomy
 +
|[[Mechanic]]
 
|-
 
|-
 
|Wood lamination
 
|Wood lamination
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|[[wikipedia:Lamination|Lamination]]
 
|[[wikipedia:Lamination|Lamination]]
 
|Construction
 
|Construction
 +
|[[Mechanic]]
 
|-
 
|-
 
|Models and templates
 
|Models and templates
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|[[wikipedia:Prototype|Prototype]] and [[wikipedia:Stencil|Stencil]]
 
|[[wikipedia:Prototype|Prototype]] and [[wikipedia:Stencil|Stencil]]
 
|Design
 
|Design
 +
|[[Mechanic]]
 
|-
 
|-
 
|Archimedes principle
 
|Archimedes principle
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|[[wikipedia:Archimedes' principle|Archimedes' principle]]
 
|[[wikipedia:Archimedes' principle|Archimedes' principle]]
 
|Fluid
 
|Fluid
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Force pump
 
|Force pump
|
+
|The construction and use of the force pump
 
|[[wikipedia:Piston pump#Force pump|Piston pump § Force pump]]
 
|[[wikipedia:Piston pump#Force pump|Piston pump § Force pump]]
 
|Fluid
 
|Fluid
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Theory of siphon
 
|Theory of siphon
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|[[wikipedia:Siphon|Siphon]]
 
|[[wikipedia:Siphon|Siphon]]
 
|Fluid
 
|Fluid
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Valves
 
|Valves
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|[[wikipedia:Valve|Valve]]
 
|[[wikipedia:Valve|Valve]]
 
|Fluid
 
|Fluid
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Astrarium
 
|Astrarium
|
+
|The construction and use of the astrarium
 
|[[wikipedia:Astrarium|Astrarium]]
 
|[[wikipedia:Astrarium|Astrarium]]
 
|Horology
 
|Horology
 +
|[[Mechanic]]
 
|-
 
|-
 
|Conical water clock
 
|Conical water clock
|
+
|The use of conical shapes in water-based clocks to improve their accuracy
 
|[[wikipedia:Water clock|Water clock]]
 
|[[wikipedia:Water clock|Water clock]]
 
|Horology
 
|Horology
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Hourglass
 
|Hourglass
|
+
|The construction and use of the hourglass
 
|[[wikipedia:Hourglass|Hourglass]]
 
|[[wikipedia:Hourglass|Hourglass]]
 
|Horology
 
|Horology
 +
|[[Mechanic]]
 
|-
 
|-
 
|Mechanical clock
 
|Mechanical clock
|
+
|The construction and use of mechanical clocks
 
|[[wikipedia:Clock#Early mechanical clocks|Clock § Early mechanical clocks]]
 
|[[wikipedia:Clock#Early mechanical clocks|Clock § Early mechanical clocks]]
 
|Horology
 
|Horology
 +
|[[Mechanic]]
 
|-
 
|-
 
|Shadow clock
 
|Shadow clock
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|[[wikipedia:Sundial|Sundial]]
 
|[[wikipedia:Sundial|Sundial]]
 
|Horology
 
|Horology
 +
|[[Mechanic]]
 
|-
 
|-
 
|Water clock
 
|Water clock
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|[[wikipedia:Water clock|Water clock]]
 
|[[wikipedia:Water clock|Water clock]]
 
|Horology
 
|Horology
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Water clock reservoir
 
|Water clock reservoir
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|[[wikipedia:Zhang_Heng#Extra_tank_for_inflow_clepsydra|Zhang Heng § Extra tank for inflow clepsydra]]
 
|[[wikipedia:Zhang_Heng#Extra_tank_for_inflow_clepsydra|Zhang Heng § Extra tank for inflow clepsydra]]
 
|Horology
 
|Horology
 +
|[[Fluid engineer]]
 
|-
 
|-
 
|Balance wheel
 
|Balance wheel
|
+
|The construction and use of the balance wheel.
 
|[[wikipedia:Balance wheel|Balance wheel]]
 
|[[wikipedia:Balance wheel|Balance wheel]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Bellows
 
|Bellows
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|[[wikipedia:Bellows|Bellows]]
 
|[[wikipedia:Bellows|Bellows]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Camshaft
 
|Camshaft
|
+
|The construction and use of the camshaft
 
|[[wikipedia:Camshaft|Camshaft]]
 
|[[wikipedia:Camshaft|Camshaft]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Chain drive
 
|Chain drive
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|[[wikipedia:Chain drive|Chain drive]]
 
|[[wikipedia:Chain drive|Chain drive]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Chariot odometer
 
|Chariot odometer
|
+
|The construction and use of the chariot odometer
 
|[[wikipedia:Odometer|Odometer]]
 
|[[wikipedia:Odometer|Odometer]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Combination lock
 
|Combination lock
|
+
|The construction and use of the combination lock
 
|[[wikipedia:Combination lock|Combination lock]]
 
|[[wikipedia:Combination lock|Combination lock]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Crank
 
|Crank
|
+
|The construction and use of the crank
 
|[[wikipedia:Crank (mechanism)|Crank (mechanism)]]
 
|[[wikipedia:Crank (mechanism)|Crank (mechanism)]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Crankshaft
 
|Crankshaft
|
+
|The construction and use of the crankshaft
 
|[[wikipedia:Crankshaft|Crankshaft]]
 
|[[wikipedia:Crankshaft|Crankshaft]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Differential gear
 
|Differential gear
|
+
|The construction and use of the differential gear
 
|[[wikipedia:Differential (mechanical device)|Differential (mechanical device)]]
 
|[[wikipedia:Differential (mechanical device)|Differential (mechanical device)]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Double acting piston bellows
 
|Double acting piston bellows
|
+
|The construction and use of the double-acting piston bellows
 
|[[wikipedia:Bellows|Bellows]]
 
|[[wikipedia:Bellows|Bellows]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Lever
 
|Lever
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|[[wikipedia:Lever|Lever]]
 
|[[wikipedia:Lever|Lever]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Mechanical compass
 
|Mechanical compass
|
+
|The construction and use of the mechanical compass
 
|[[wikipedia:Compass|Compass]]
 
|[[wikipedia:Compass|Compass]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Padlock
 
|Padlock
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|[[wikipedia:Padlock|Padlock]]
 
|[[wikipedia:Padlock|Padlock]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Piston
 
|Piston
|
+
|The construction and use of the piston.
 
|[[wikipedia:Piston pump#Force pump|Piston pump § Force pump]]
 
|[[wikipedia:Piston pump#Force pump|Piston pump § Force pump]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Pulley
 
|Pulley
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|[[wikipedia:Pulley|Pulley]]
 
|[[wikipedia:Pulley|Pulley]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Screw
 
|Screw
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|[[wikipedia:Screw|Screw]]
 
|[[wikipedia:Screw|Screw]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Straight beam balance
 
|Straight beam balance
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|[[wikipedia:Weighing scale#Mechanical balances|Weighing scale § Mechanical balances]]
 
|[[wikipedia:Weighing scale#Mechanical balances|Weighing scale § Mechanical balances]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of gears
 
|Theory of gears
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|[[wikipedia:Gear|Gear]]
 
|[[wikipedia:Gear|Gear]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of lever
 
|Theory of lever
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|[[wikipedia:Lever|Lever]]
 
|[[wikipedia:Lever|Lever]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of pulley
 
|Theory of pulley
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|[[wikipedia:Pulley|Pulley]]
 
|[[wikipedia:Pulley|Pulley]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of screw
 
|Theory of screw
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|[[wikipedia:Screw|Screw]]
 
|[[wikipedia:Screw|Screw]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of wedge
 
|Theory of wedge
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|[[wikipedia:Wedge (mechanical device)|Wedge]]
 
|[[wikipedia:Wedge (mechanical device)|Wedge]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Theory of wheel and axle
 
|Theory of wheel and axle
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|[[wikipedia:Wheel and axle|Wheel and axle]]
 
|[[wikipedia:Wheel and axle|Wheel and axle]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Trip hammer
 
|Trip hammer
|
+
|The construction and use of the trip-hammer.
 
|[[wikipedia:Trip hammer|Trip hammer]]
 
|[[wikipedia:Trip hammer|Trip hammer]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Tumbler lock
 
|Tumbler lock
Line 224: Line 268:
 
|[[wikipedia:Pin tumbler lock|Pin tumbler lock]]
 
|[[wikipedia:Pin tumbler lock|Pin tumbler lock]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Verge escapement
 
|Verge escapement
Line 229: Line 274:
 
|[[wikipedia:Verge escapement|Verge escapement]]
 
|[[wikipedia:Verge escapement|Verge escapement]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Warded lock
 
|Warded lock
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|[[wikipedia:Warded lock|Warded lock]]
 
|[[wikipedia:Warded lock|Warded lock]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Water-powered piston bellows
 
|Water-powered piston bellows
|
+
|The construction and use of the water-powered piston bellows.
 
|[[wikipedia:Du_Shi#The_Water-Powered_Blast_Furnace|Du Shi § The Water-Powered Blast Furnace]]
 
|[[wikipedia:Du_Shi#The_Water-Powered_Blast_Furnace|Du Shi § The Water-Powered Blast Furnace]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Water-powered sawmill
 
|Water-powered sawmill
|
+
|The construction and use of the water-powered sawmill.
 
|[[wikipedia:Watermill|Watermill]]
 
|[[wikipedia:Watermill|Watermill]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Water-powered trip hammer
 
|Water-powered trip hammer
|
+
|The construction and use of the water-powered trip hammer
 
|[[wikipedia:Trip hammer|Trip hammer]] and [[wikipedia:Water wheel|Water wheel]]
 
|[[wikipedia:Trip hammer|Trip hammer]] and [[wikipedia:Water wheel|Water wheel]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Water wheel
 
|Water wheel
|
+
|The construction and use of the water wheel.
 
|[[wikipedia:Water wheel|Water wheel]]
 
|[[wikipedia:Water wheel|Water wheel]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Windlass
 
|Windlass
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|[[wikipedia:Windlass|Windlass]]
 
|[[wikipedia:Windlass|Windlass]]
 
|Machine
 
|Machine
 +
|[[Mechanic]]
 
|-
 
|-
 
|Atmospheric refraction
 
|Atmospheric refraction
|
+
|atmospheric refraction
 
|[[wikipedia:Atmospheric refraction|Atmospheric refraction]]
 
|[[wikipedia:Atmospheric refraction|Atmospheric refraction]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Camera obscura
 
|Camera obscura
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|[[wikipedia:Camera obscura|Camera obscura]]
 
|[[wikipedia:Camera obscura|Camera obscura]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Cause of twilight
 
|Cause of twilight
|
+
|a precise explanation of the cause of twilight involving atmospheric refraction
 
|[[wikipedia:Atmospheric optics|Atmospheric optics]]
 
|[[wikipedia:Atmospheric optics|Atmospheric optics]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Crystal lens
 
|Crystal lens
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|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:Crystal|Crystal]]
 
|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:Crystal|Crystal]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Glass lens
 
|Glass lens
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|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:Glass|Glass]]
 
|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:Glass|Glass]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Height of atmosphere
 
|Height of atmosphere
|
+
|The calculation of the height of the atmosphere based on atmospheric refraction
 
|[[wikipedia: Atmosphere of Earth|Atmosphere of Earth]]
 
|[[wikipedia: Atmosphere of Earth|Atmosphere of Earth]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Law of refraction
 
|Law of refraction
|
+
|The relation between refraction and the half chord
 
|[[wikipedia:Snell's law|Snell's law]]
 
|[[wikipedia:Snell's law|Snell's law]]
 
|Optics
 
|Optics
 +
|[[Mechanic]]
 
|-
 
|-
 
|Parabolic mirror
 
|Parabolic mirror
|
+
|The construction and use of the parabolic mirror.
 
|[[wikipedia:Parabolic reflector|Parabolic reflector]]
 
|[[wikipedia:Parabolic reflector|Parabolic reflector]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Theory of color
 
|Theory of color
|
+
|The theory of light and color
 
|[[wikipedia:Color theory|Color theory]]
 
|[[wikipedia:Color theory|Color theory]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Theory of rainbows
 
|Theory of rainbows
|
+
|The appearance of rainbows based on optical theories
 
|[[wikipedia:Rainbows|Rainbows]]
 
|[[wikipedia:Rainbows|Rainbows]]
 
|Optics
 
|Optics
 +
|[[Optics engineer]]
 
|-
 
|-
 
|Water-filled spheres
 
|Water-filled spheres
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|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:History_of_optics#Early_history_of_optics|History of optics § Early history of optics]]
 
|[[wikipedia:Lens (optics)|Lens (optics)]] and [[wikipedia:History_of_optics#Early_history_of_optics|History of optics § Early history of optics]]
 
|Optics
 
|Optics
 +
||[[Optics engineer]]
 
|}
 
|}

Latest revision as of 04:03, 20 December 2022

Topic Description Wikipedia link Subdivision Skills used in research
Armillary sphere The construction and use of armillary spheres Armillary sphere Astronomy Mechanic
Astrolabe The construction and use of the astrolabe Astrolabe Astronomy Mechanic
Dioptra The construction and use of the dioptra Dioptra Astronomy Mechanic
Mural instrument The construction and use of a mural instrument or mural quadrant Mural instrument Astronomy Mechanic
Orrery The construction and use of the orrery Orrery Astronomy Mechanic
Spherical astrolabe The construction and use of the spherical astrolabe Astrolabe Astronomy Mechanic
Wood lamination The use of lamination Lamination Construction Mechanic
Models and templates The use of models and templates in engineering Prototype and Stencil Design Mechanic
Archimedes principle The law of fluid displacement Archimedes' principle Fluid Fluid engineer
Force pump The construction and use of the force pump Piston pump § Force pump Fluid Fluid engineer
Theory of siphon The action of the siphon Siphon Fluid Fluid engineer
Valves The construction and use of valves Valve Fluid Fluid engineer
Astrarium The construction and use of the astrarium Astrarium Horology Mechanic
Conical water clock The use of conical shapes in water-based clocks to improve their accuracy Water clock Horology Fluid engineer
Hourglass The construction and use of the hourglass Hourglass Horology Mechanic
Mechanical clock The construction and use of mechanical clocks Clock § Early mechanical clocks Horology Mechanic
Shadow clock The use of shadows to tell direction and time Sundial Horology Mechanic
Water clock The use of water-based devices to tell time Water clock Horology Fluid engineer
Water clock reservoir The use of reservoirs in water-based clocks to improve their accuracy Zhang Heng § Extra tank for inflow clepsydra Horology Fluid engineer
Balance wheel The construction and use of the balance wheel. Balance wheel Machine Mechanic
Bellows The construction and use of the bellows Bellows Machine Mechanic
Camshaft The construction and use of the camshaft Camshaft Machine Mechanic
Chain drive The construction and use of chain drives Chain drive Machine Mechanic
Chariot odometer The construction and use of the chariot odometer Odometer Machine Mechanic
Combination lock The construction and use of the combination lock Combination lock Machine Mechanic
Crank The construction and use of the crank Crank (mechanism) Machine Mechanic
Crankshaft The construction and use of the crankshaft Crankshaft Machine Mechanic
Differential gear The construction and use of the differential gear Differential (mechanical device) Machine Mechanic
Double acting piston bellows The construction and use of the double-acting piston bellows Bellows Machine Mechanic
Lever The construction and use of the lever Lever Machine Mechanic
Mechanical compass The construction and use of the mechanical compass Compass Machine Mechanic
Padlock The construction and use of the padlock Padlock Machine Mechanic
Piston The construction and use of the piston. Piston pump § Force pump Machine Mechanic
Pulley The construction and use of the pulley Pulley Machine Mechanic
Screw The construction and use of the screw Screw Machine Mechanic
Straight beam balance The construction and use of the straight-beam balance Weighing scale § Mechanical balances Machine Mechanic
Theory of gears The reasons why gears are effective Gear Machine Mechanic
Theory of lever The reasons why the lever is effective Lever Machine Mechanic
Theory of pulley The reasons why pulleys are effective Pulley Machine Mechanic
Theory of screw The reasons why screws are effective Screw Machine Mechanic
Theory of wedge The reasons why the wedge is effective Wedge Machine Mechanic
Theory of wheel and axle The reasons why the wheel-and-axle construction is effective Wheel and axle Machine Mechanic
Trip hammer The construction and use of the trip-hammer. Trip hammer Machine Mechanic
Tumbler lock The construction and use of the tumbler lock Pin tumbler lock Machine Mechanic
Verge escapement The construction and use of the verge escapement Verge escapement Machine Mechanic
Warded lock The construction and use of the warded lock Warded lock Machine Mechanic
Water-powered piston bellows The construction and use of the water-powered piston bellows. Du Shi § The Water-Powered Blast Furnace Machine Mechanic
Water-powered sawmill The construction and use of the water-powered sawmill. Watermill Machine Mechanic
Water-powered trip hammer The construction and use of the water-powered trip hammer Trip hammer and Water wheel Machine Mechanic
Water wheel The construction and use of the water wheel. Water wheel Machine Mechanic
Windlass The construction and use of the windlass Windlass Machine Mechanic
Atmospheric refraction atmospheric refraction Atmospheric refraction Optics Optics engineer
Camera obscura The construction and use of the camera obscura Camera obscura Optics Optics engineer
Cause of twilight a precise explanation of the cause of twilight involving atmospheric refraction Atmospheric optics Optics Optics engineer
Crystal lens The construction and use of the crystal lens Lens (optics) and Crystal Optics Optics engineer
Glass lens The construction and use of the glass lens Lens (optics) and Glass Optics Optics engineer
Height of atmosphere The calculation of the height of the atmosphere based on atmospheric refraction Atmosphere of Earth Optics Optics engineer
Law of refraction The relation between refraction and the half chord Snell's law Optics Mechanic
Parabolic mirror The construction and use of the parabolic mirror. Parabolic reflector Optics Optics engineer
Theory of color The theory of light and color Color theory Optics Optics engineer
Theory of rainbows The appearance of rainbows based on optical theories Rainbows Optics Optics engineer
Water-filled spheres The construction and use of water-filled spheres as lenses Lens (optics) and History of optics § Early history of optics Optics Optics engineer