Browse Items (3473 total)

Metal cylindrical holder on wooden base with metal pointer and ball bearing to ease movement along optical bench

Brass direct vision spectroscope with clamp for a stand and variable focus. Part of set of miniature optical instruments.

Brass pendulum for use with ABDNP201515a

Glass bottle in the shape of a sector of a circle with a glass stopper.

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.

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)

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

Brass stand with 3 feet, possibly for a telescope.

cylindrical cardboard box of 5 eyepieces, 3 have orange lenses. Box is hand labelled as Polarimeter Parts.

glass topped cardboard box of 14 mirrors, 13 circular and 1 rectangular, and 2 aluminium mirror holders.