Hunterian Museum and Art Gallery (Glasgow) [exhibition review]

Hunterian Museum and Art Gallery, University of Glasgo

Wolverhampton Art Gallery [exhibition review]

Wolverhampton Art Gallery, Wolverhampto

Two speed drive system

A two speed drive system for a wheel of a vehicle by which shifting from one speed to the other is accomplished by the inherent mechanism of the wheel is described. A description of the speed shifting operation is provided and diagrams of the mechanism are included. Possible application to lunar roving vehicles is proposed

Self-leveling load table

Table floats in tank of water and has air compartments underneath. Table height and level are controlled by automatic adjustment or air pressure within these compartments