Browse Items (3442 total)

Small collection of original off-prints mentioned in "The Atlas computer in the 1960s and early 1970s: a personal reminiscence".

a glass centigrade thermometer, scale -10 to 100 deg C. Black ink liquid. In cardboard tube

heavy brass seconds pendulum (lead filled? not examined), with twin spring suspension.

Demonstration of dependence of rate of flow eith head of liquid. A cylindrical metal vessel standing upright on three feet. There are three equally spaced taps mounted one above another. A tube attachment inlet is fitted at the base and a glass…

mounted on a wooden base. Originally drove two diameters of belt, but amateurishly modified by the addition of a rough propeller.

Used with BBC computer. no makers name; with phone connection wire

mixture of items from 3 light bulbs to a block of wood

4 anamorphic drawings on circular sheets of waxy paper. Small hole in centre of sheets:
1) Bird of paradise in blue, red and green.
2) stork in black and white with red beak and legs and green frog in its mouth
3) diagram of four overlapping…

a substantial soft iron core wound with 10 coils (5 on each leg) wired in series aiding and joined to a copper bus and two brass thumbnuts. A horseshoe 'keeper' is separate

One of two tubes have a spiral glass feature; presumed to have been acquired as a set with five others