Browse Items (3473 total)

a square wooden base on four round feet. A brass vertical rod with a steel needlepoint for mounting a magnetic pointer. Marked Univ Abdn Nat Phil on brass insert

Extendable wooden tripod in three parts; held together with leather strap with buckle; brass fittings; 'PATENT' engraved at top of each of three parts; accompanied by wooden fitting for top where camera attaches

' No. L-389201; Range for 100 divisions. ' On right: ' UNIPIVOT / 20 Mv 500 Ohms '. With resistor bridge logo. 4 terminals.

50 OHMS in white ink between the 2 terminals. Scale 8 - 0 - 8 in divisions of 0.2 . On circular platform with knob with maker stamped on top.

Wooden beam with two sliding lenses on it, assumed for use with part a of set. One lens is in a brass frame. Set up as a telescope arrangement

Voltage series resistor which alters the voltage range of a Unipivot galvanometer when connected to it. A black metal box with 2 plastic screw connectors (black and red) for wires, or for another resistor to connect to, and 2 metal plate connectors…

Brass Collimator (similar to telescope with variable exit pupil). Objective can be extended out.

A brass stand with a large circular metal lens holder attached. Lens included.

two pieces of fur and fleece, possibly lamb and artificial fur. For stroking glass rods to create electrostatic charge

Two objectives of focal lengths 4mm and 14mm, with brass containers; one on microscope, other stored in case. Engraved on each case lid is the manufacturers name and the size of the microscope lens; 14mm 2/3, and 4mm 1/6, which is again engraved on…