Energy Manipulation and Transfer
Bevel Gears Differential Drives Grain Mills Hand drills Flood Gates
Cam and Follower Lawn Mowers Car Engines Steam Engines Toys
Crown and Pinion DVD player Hand drill Lock gate control on canal
Lead screw Car Jack Floppy disc drive DVD drive with lead screw Vise
Pulleys and Belts Air conditioner compressor Power Steering pump Water pump Air conditioner compressor Power Steering pump Alternator
Rack and Pinion Rack railway on train Ice cream scoop Car steering
Simple Gear Train Gear box Radio Transmission Watch
Simple Gear Train with Idler Idler gear Paper rollers Metal Lathe
Line shaft system of cotton mill Universal Joints Driveshaft Power take off Line shaft system of cotton mill Prop shaft
Worm and Wheel Rudders on a boat Winch Guitars Odometer