Browse Items (3344 total)

McP_ABDUA 8762_Jaguar face.jpg
grey pottery head of a jaguar with decorative incisions

Dr. Lorimer's dipping compass. An octagonal wooden box from out of which projects four intersecting brass rings perpendicular to each other and incised with degree scales. Suspended in the innermost ring, which is oriented upright, is a needle which can rotate freely inside the ring.
Instrument for showing that a compass needle not only points to magnetic north but if freely suspended will point into the ground. This later phenomenon is known as the 'dip' of the compass needle. Horizontal scale 0 -90 in 1/20 on either side of N…

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Azimuth compass. A compass with a rotatable ring-shaped brass frame around it mounted on a heavy brass stand. The frame is marked with degree scales. Four removable rectangular plates of brass, each with a rectangular hole, a slit and three small circular holes in them, project vertically from the frame equidistant from one another.
Azimuth compass in wooden box with lid and lock and key . Brass scales. 4 sights are detachable - 2 fit on rotating compass ring and 2 on meridional line. Each sight has a slit and a cross wire one above the other. Box has inset disc ' Univ. Abdn.…

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basket.jpg
Oval basket, with openwork decoration.

small wooden box with three plastic terminals, one big black switch and a screen with a scale from 0 to 0.5 amperes. One connecting screw on each end and a plaque with NEUTRALISING UNIT REF NO IOA/8475

a mercury normal thermometer 6 Deg C max, with upper metal end cap. Housed in cardboard tube

A black metal carbon arc with optical bench stand. Has electrical connections and is complete with the plug. Plate on side with engraving.

11 circular glass lenses to cover the eye set in metal frames with small circular handle for holding with thumb and forefinger. Part of colour blindness kit. Colours: 4 black, 1 red, 1 turquoise, 1 orange, 1 green, 1 light royal blue, 1 dark royal…

Selenite sample for polarising mirror set in wooden frame for use in Optician mirror set.

Selenite sample for polarising mirror set in wooden frame for use in Optician mirror set.
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