Inclined planes | Digital Collections

Inclined planes

Motorists driving 1911 Krit automobile uphill on ramp

Hupmobile automobile on ramp, Hupmobile United American Tour

Motorists in Hupmobile automobile on ramp, Hupmobile United American Tour

Hupmobile automobile on wooden ramp, Hupmobile United American Tour

Men lowering ramp on barge, 1910 Glidden Tour

Motorists in E-M-F automobile driving on ramp, 1909 Glidden pathfinding expedition

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