Designed to fit the Pasco trolley, these masks can also be used with the traditional wooden trolleys – just stick them on with a bit of Blu-tak.
Miscellaneous
Lamps
These lamps, 12 V, SBC (small bayonet connection) are the type used in ray boxes, alternative energy experiments and in the Model house. The filaments are vertical.
Lens Holder
Wooden “V” shaped holder for circular lenses. Dimensions are 90 x 80mm with a 180 x 180mm base.