Wooden box with tube and lens form one end and "bellows" with a rectangular opening at the other. Turning wheel that opens and shuts aperture on side of box and handle to slide lens back and forth on tube with mm scale underneath marked every 5 mm…
One of two 60 degree glass prisms with beveled edges and 3 frosted faces including the base. A small capital B has been written on one frosted side in pencil near the base; labelled as small with reference to the counterpart larger prism b
2 glass disks (1 large, 1 small) with darkened stripes to create a slit effect, able to rotate on metal handle with turning handle and pulley cable spindle. On wooden protective slip. Gives interrupted patterns of light
Cardboard box of 12 small test tubes and a sterile syringe needle. Hand written on box: "Nernst Filaments for Grubb Parsons D.B.3 Double beam Radiation unit, Serial no. 18". For use with Grubb Parson Spectrophotometer (ABDNP200616a)
piece of metal on the end of a metal rod. The metal rod has a brass ball on the other end. The device is placed on metal block and heated at one end. When left to cool it moves slightly emitting a rocking sound.
