Browse Items (3473 total)

Plate on side: ' 0.3 AMPS / FOR USE WITH MODEL S66, N61793 '. With 2 terminals.

a cast iron circular base with a vertical hollow rod terminating with horizontal screwed thumbnut in brass. Telescopic stand

glass specific gravity hydrometer, scale 1200 to 1300. In cardboard tube

White glass handle with brass end; with small threaded hole in brass to end to receive rod.

Lloyds double mirror on brass plate on optical bench post of hollow brass. (also adapter to fit modern optical bench holder of 13.5 mm OD )

Sending key on mahogany base with small receiver switch and other integral wiring. Additional connection and capacitor in base put there when setting up telegraphic circuit in 1980s.

glass specific gravity hydrometer, lead shot weighted encapsulated in red, scale 1600 to 1800. In cardboard tube

Light gong stick with wooden head. Worn on rim. Could be used with xylophone ( museum no. 221 ) or elliptic bell ( museum no. 65 )

Thick-walled glass tube with brass end caps and close filling plunger. Light wooden door-knob style handles at either end.

glass dome with glass knob top