Browse Items (3473 total)

the apparatus rotates a drum that has a window slot containing a glass insert, possibly for gauging rotational speed of a shaft viewed through the window or light projected through the window; hand or belt driven

glass mercury thermometer, scale -10 to 50deg C, faint inscription on the rear of the tube. In a cardboard box with other items

Said to be attached to model of levers but not present

Wooden base on rectangular corner feet with two insulated handles (wooden ends) on light green glass stems - central wooden pillar has table missing on top.

Elliptic bell with a handle. No clapper or evidence of one; most likely struck with a small hammer.

The writer feels that John Davidson's pamphlet on Reform and the workers, ' A Letter to the working classes of Aberdeen', is more concerned with Davidson's own self-interest, rather than with the interests of the workers of Aberdeen. In his pamphlet,…

Circular holder containing 2 glass plates showing Newton's rings. 3 adjustable brass screws. Badly corroded on top, slight fracture on glass near one screw.

A collection of 38 photographic prints with a description leaflet identifying each print. Enclosed in a tied red (maroon) folder.

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

Plate on side: 30 AMPS ' FOR USE WITH MODEL S66, No. R10835 '. With 2 terminals.