Hoffman medium type thrust bearing
1925
Self aligning double row radial bearing
1910-1911
"David Brown" standard worm reducing gear
1932
Model of Climax Hydromax hand hammer rock drill
1908-1915
Arrangement of gear wheels
circa 1948
1.5" scale model of a 7 horsepower general purpose traction engine
1969-1974
Model of all-round ore-tipping truck (scale 1:5)
1920
F.J. Worm Gear
1919-1920
Heavy type ball thrust bearing by Hoffmann;1925.
1925
Parallel roller thrust anti-friction bearing
1937