Browse Items (3473 total)

brass framed screw-on telescope objective with focal length approx.30" (760 mm).

18 small glass beads, all but one numbered. In circular wooden box. Instructions for use on paper stuck inside lid. Likley to be the box of spirit bubbles' purhcased in 1833 by Prof William Knight.

Round quarte-wave plate in wooden square wooden frame with handle. Makers name and address on handle. On other side written on by hand "Quartz" and "1/4X". For use with Newton & Co. optical bench

a cylindrical glass laboratory jar with rimmed top and base

a block of wood with a wooden rod coming out perpendicular

The Newsletter for the University of Aberdeen from 1982 until 1985 in an A4 paper box.

Brass telescope from spectrometer table. Objective can extend out.

an electric motor with three step pulley wheel. The mechanism is open and mounted on a wood plinth. The stator is electrically energised and the rotor is connected via two brass commutator brushes

Metal cased lamp with power cables and bulb. Plate on side with engraving on it. With screw hole for stand so can be angled and a sight on top. Bulb had 10 V engraved on it.

Mazda 9-stage photomultiplier type 27 M1. Side view, 11pin base, in original box with descriptive label. Lid label "Ser no. SP 285 660/19"