Browse Items (3400 total)

Brass cylindrical torpedo style switch. The top domed section is polished brass, the bottom section is glazed black. Underneath there is wording very difficult to make out reading "No. 4 VITREOUS, 1347 184 NO.2660".

a metal switch on a plastic base. The switch has 3 layers to it and 5 terminals which are quite small

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

2 brass Morse code style switches and terminals mounted on a wooden base.

Sway and cruik. A large iron arm on a pole allowing it to rotate. Suspended on the arm with a hook and chain is a circular griddle composed of straight and wavy bars of iron.
Iron sway (on display with links, two cruiks and brander), nineteenth century, from a hearth at Darnabo, Fyvie, Aberdeenshire. The sway is a long iron bracket which holds the hook, or cruik, from which the pot, or meat to be smoked, can be…

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Telescopic level, all brass on adjusting table with 4 screwed feet. Is this the item in the 1823 inventory ' leveling instrument, Miller Edinburgh pounds 6.16.6 ' (C501?).

Sundial. Two folding brass rings engraved with degrees, dots and lines with a central bar which has a slider on it and the first letter of each month. The slider has a tiny hole in it which light shines through.
Portable, ring sun dial. A small traveller's sundial, early 19th century. Two brass rings swing out at 90 degrees to each other, to make an open sphere, with a radial metal slider. The date is set on the slider, the sun shines through a hole in it…

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Sundial. A brass ring, bracelet sized, with a small loop. Numbers, lines and letters are engraved on the inner and outer surfaces and a small hole allows light through.
Small traveller's sun dial, brass, circular shape, mid 18th century. Inscribed on both surfaces with numerals to allow the time to be read. The ring is hung by a thread from the small loop on the outside and a tiny hole in the ring allows a beam…

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Example showing computer hardware technology of 1980s.
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