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Model of Bodmer's carding engine.

Model of Bodmer's carding engine.

1820-1824

Model of a Drawing Machine

Model of a Drawing Machine

1824-1833

Model of a drawing and lapping machine (scale 1:5) patented by John George Bodmer

Model of a drawing and lapping machine (scale 1:5) patented by John George Bodmer

1824

Universal joint for communicating rotary motion between shafts lying in different planes ( J.G. Bodmer)

Universal Joint for Communicating Rotary Motion

1841

Four toothed-wheel circular steel cutters, or milling tools, patented by John George Bodmer (Patent No. 8070) in 1839.

Four toothed-wheel circular cutters

1839

Model of reversing gearing and friction clutches for winding from mines patented by J.G. Bodmer in 1843

Model of Reversing Gearing and Friction Clutches

circa 1843

4 convolute screwing taps size 1 1/2" 6 t.p.i. for cutting screw threads in four progressive stages.

Convolute screwing taps

circa 1840

4 convolute screwing taps size t.p.i. for cutting screw threads in four progressive stages.

Convolute screwing taps

circa 1840