Browse Items (47 total)
- Collection: Copland Teaching Apparatus
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Standard foot. A brass ruler, a foot long, inscribed 'J. Sisson London'.
Included in Observatory equipment of 1823 Marischal College Natural Philosophy Inventory (King's Archives). Value: one guinea', ' Standard foot Examined by Maskelyne ' on paper in Copland's hand sellotaped onto lid. Inscribed 'J Sisson London'.
Graham's deadbeat escapement model. Brass model of an escapement consisting of a 60 second clock face behind which is a toothed wheel which is struck alternately by the ends of a curved brass arm connected to a spindle. The spindle would have a pendulum attached to it.
Brass and wooden model of escapement with 60 second face. Pendulum ( ABDNP200022b ) fits on rear. Holes on right of base probably for small pulley wheel, now missing. Dial marked in seconds and labelled every 10 seconds. Escapement wheel 152 mm…
Arnold's compensated escapement model. A large brass and iron contraption, on a wooden base, consisting of a wheel with two arcs of metal terminating in brass balls around the outside, on an axel with another smaller brass wheel. Underneath is another axel with a toothed wheel and a small wooden barrel on it. An irregularly bent strip of metal curls over the top axel.
Arnold's compensated escapement - demonstration of his patent No. 1328. A brass escapement on a wooden base.
Notebook. An open manuscript book with a drawing of a mountain with a plumbline on either side and explanatory text.
Lecture notes of Patrick Copland by John Michell on Natural Philosophy
348 pages on a course of lectures in natural philosophy delivered in the session 1807-1808 by Patrick Copland, Professor of Natural Philosophy. An intoduction to the subject…
348 pages on a course of lectures in natural philosophy delivered in the session 1807-1808 by Patrick Copland, Professor of Natural Philosophy. An intoduction to the subject…
Notebook. An open manuscript book with a diagram of two connected toothed wheels, one smaller than the other, with weights hanging from them, and explanatory text.
Lecture notes of Patrick Copland by John Michell on Natural Philosophy
348 pages on a course of lectures in natural philosophy delivered in the session 1807-1808 by Patrick Copland, Professor of Natural Philosophy. An intoduction to the subject…
348 pages on a course of lectures in natural philosophy delivered in the session 1807-1808 by Patrick Copland, Professor of Natural Philosophy. An intoduction to the subject…
McCulloch's mariner's compass. A large compass consisting of a wide ring of card printed with directions and a degree scale, covered with glass and fixed on a steel strip screwed to a conical projection underneath. The compass is on a brass gimbal mount in a wooden box.
McCulloch's patent compass in oak box without lid. Card marked in degrees, in quadrants . Embedded brass disc inside box ' Univ. Abdn. Nat. Phil. ' In single gimbals. Patent No 1663 (1788). One of only a few in museums throughout the world.
Anamorphic drawings. Four coloured drawings on paper discs with a tall curved mirror placed at the centre: a butterfly, a man on a horse, a bust of a man's head, and two men arguing; the drawings appear normal in the mirror but are stretched out and curved on the paper.
A hemispherical polished speculum cylinder mounted in a wood pillar case with brass small handle. Tin-plate storage case. Ivory maker's plate inlaid into pillar. Accompanied by a selection of early 19th century anamorphic drawings.
6 anamorphic…
6 anamorphic…
Aristotle's watering pot. A small tin watering can with small holes perforated in the base.
'Aristotle’s Watering Pot' was another demonstration piece in Professor Patrick Copland’s repertoire about 200 years ago.
Tipping up the pot while holding a thumb over the air-hole above the handle, it could be filled through the spout. With the…
Tipping up the pot while holding a thumb over the air-hole above the handle, it could be filled through the spout. With the…
A large brass wheel sitting on four smaller wheels, in a brass frame on a circular wooden stand. The smaller wheels spin at a much slower rate when the large wheel is spun.
Device exhibiting a low friction bearing. Friction wheels on circular base with holes for pulley cord - (top of Atwood's machine). Steel axles. Three 2 mm brass stud feet. Displayed in King's visitors' centre until 1993 - 2003. "Brilliant workmanship…