A scale metal model of a rachet wheel, which is fitted with a detent, or pawl. It shows the method of obtaining intermittent circular motion by using the rachet wheel. This is the masked version.

This model was purchased from the English manufacturer G. Cussons in 1915.

Physical Description

Metal model with green painted frame with double metal circular cog shape. Physically attached to two other models and Ratchet Wheel Mechanism Model Display board.

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