Name	Description
TR20	Steel Four Frame Cart For One Donkey (1994)
TR21	Pipe and Roller Donkey-Cart Axles (1994)
TR22	Pipe and Roller Ox-Cart Axles (1994)
TR23	Steel Frame and Wood Donkey Cart (1994)
TR24	Simple Low-Cost Wooden Ox Cart (1994)
TR25	Light Steel and Wood Donkey Cart (1994)
TR26	Steel Frame and Wood Ox-Cart (1994)
TR27	Single Donkey Harness for Cart Pulling (1999)
TR28	Pipe Plain Bearing Donkey Cart Axle (1996)
TR29	Low Cost Steel Framed Cart for Two Donkeys (1999)
TR30	Light Single Drum Water Carrier (1999)
TR33	Low Cost Vestigial Steel Framed Cart for Two Oxen (1999)
TR34	Vestigial Wooden Frame 2- Ox Cart (1999)
TR35	Making a flatbit for drilling holes in wood (1999)
TR36	Twin Plastic Plain Bearing Axle for Donkey Carts (1999)
TR37	Twin Wood Plain Bearing Axle for Donkey Carts (1999)
TR38	Simple Low- cost Brake for Donkey Carts (1999)
TR39	Steel Wire Rim Wheel for Donkey Carts (1999)
TR40	Double Donkey Harness for Cart Pulling (1999)
TR41	Twin Ball Bearing Axle for Donkey Carts (1999)
TR42	Wooden Flexwheel for Donkey Carts (1999)
TR43	Wheel Spanner for Animal Carts (1999)
TR44	As Cast Aluminium Wheel With Integral Roller Bearing (1999)
TR46	Straight Hame Collar for Donkey Harness (1999)
TR47	PVC Plain Bearing Ox Cart Axle (1999)
TR48	Wooden Single Donkey Harness for Cart Pulling (2002)