Collar from exhaust bend of the prototype Rover gas turbine motor car, JET 1, 1946 - 1950 Collar from exhaust bend of the prototype Rover gas turbine motor car 1946-1950
Double threaded brass collar, from the portable laboratory owned by Dr. H.G Butterfield, unsigned, 1930-1940 Double threaded brass collar 1930-1940
Cart horse collar made of plaited Norfolk reeds, unknown manufacturer Cart horse collar made of plaited Norfolk reeds
Wooden collar for horse-drawn sleigh (in two parts, no straps) Two Wooden collars for horse-drawn sleigh
Two-inch split grip collar by Trier Bros., London, SW1, England, 1929. Two-inch split grip collar by Trier Bros. 1929