Browse Items (3473 total)

Brass cylindrical stand on 3 feet

Glass density bottle; etched onto bottle '1000 Grains, 60 F'; in custom-made black-painted tin; packed in cotton wool; adjustable brass weight with lead shot in lid

a cylindrical glass laboratory jar with rimmed top and base. Internally ground top for glass stopper.

a metal pedestal on a circular base with three mounting holes. The pedestal has a clamped attachment with an adjustable horizontal arm moved by a knurled thumbwheel. Specialised laboratory equipment

2 terminals on a wooden base with a Morse code like tapper coming out of one.

Inlaid body on 3 small round brass feet (front one missing). 19 plates C1 to G3 (highest). Sounds good. Circular brass disc ' Univ. Abdn. Nat. Phil. '

ser No. 20779. A mercury 60mm immersion thermometer housed in a cardboard tube

min/max thermometer, U shaped glass tube with limit pins set above the mercury. Plastic case. A red plastic magnet holder is hung on the bottom for use in setting the limit pins; possibly modern for maintaining air control

In glass case with black painted wood. Perfect order. Case key in bottom. Another key with square hole and ivory disc handle unlikely to belong with this item.

Arnold's compensated escapement - demonstration of his patent No. 1328. A brass escapement on a wooden base