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armlet
Wood, inlaid with brass wire.
armlet
Wood, inlaid with brass wire.
armlet
Wood, inlaid with brass wire.
armlet
Wood, inlaid with brass wire.
armlet
single circle
armlet personal.ornament
One of three ivory armlets.
armlet personal.ornament
One of three ivory armlets.
armlet.
Wood, inlaid with brass wire.
Arnold's compensated escapement model. A large brass and iron contraption, on a wooden base, consisting of a wheel with two arcs of metal terminating in brass balls around the outside, on an axel with another smaller brass wheel. Underneath is another axel with a toothed wheel and a small wooden barrel on it. An irregularly bent strip of metal curls over the top axel.
Arnold's compensated escapement - demonstration of his patent No. 1328. A brass escapement on a wooden base.