Browse Items (3436 total)

a cylindrical spirit level with square hook at each end possibly for attachment to a horizontal line

tall cylindrical glass laboratory jar with rimmed top and base. Dried orange rubber around rim

six ivory balls, one wooden ball, some have a green cord attached for suspension. One of the larger ivory balls has a flush weight attached by a screw inserted into the ball. Possibly some variation of Newton's conservation of momentum experiment

a glass tube bent into a V shape mounted upright into a rectangular wooden base. The base has four flattened ball feet

a rotating plaster globe with a brass axis support and movable brass longitude gauge, chalk marked 'us' (unserviceable?).

Seven rolls of paper tape with punched patterns throughout. All seven are different lengths and are pink, blue, yellow or white.

a cone of tin painted black and decorated with gold motif, suspended by two pins let into two brass rods which are fixed to a circular brass base. The cone is free to swing and hangs naturally point downwards. Demonstration of points of gravity.

Brass pole with screw thread end and central bit on a spring which moves in when pressed.

Fabric measuring tape in feet and inches; measures up to 66 feet

one of a pair, circular base weighted with lead, the vertical tapers upward from a bulbous bottom, terminating with a wing nut for holding a telescopic inner section of glass rod