£55
A collection of scratch- built wooden toys and models including a moving marble toy with crank handle operating a piston that moves to release marbles from a vertical column, a simple spinning merry-go-round and 5 models demonstrating the principles of creating power through rotary motion including a constant velocity joint, a scotch yoke and roller gearing (both powered and untested), a self- conjugate cam, and a model demonstrating Watt's sun and planet motion (7)
Fees apply to the hammer price:
Room and Absentee Bids:
24% inc VAT*
Online and Autobids:
27.6% inc VAT*
