Browse Items (3473 total)

Small lens held in brass frame on metal pole above a set of cross hairs.

Small brass telescope, missing objective, adjustable feet.

No maker's or identifying marks. May be a sighting telescope from a larger instrument.

Light-coloured wooden handle with slightly green glass stem, brass end cap onto which is permanently secured a brass hook.

Table for polygon of forces acting on a point in equilibrium. With five brass pulleys. Cork in base fills hole where top of a stand fits.

Laboratory stand; turned wooden base and top with linking glass cylinder; 19th century

cylindrical brass base with 3 holes through it.

cylinder with screw hole on top of wooden base with groove for running along optical bench.

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

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