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Hydrostatic balance by Jesse Ramsden, London, 1785-1789

1785-1789

Chainomatic analytical balance model

Analytical balance by Philip Harris & Co. Ltd.

1900-1943

Single pan analytical balance by L. Oertling Ltd., 1964

1964

Oertling chain-dial balance model No.J10 serial No.12875

1963

Spring balance

1900-1983

Scales, pair, steel bar 24" long, mahogany pans, 13" square.

Pair of steel and mahogany scales

Oertling Single-pan balance. Model R10. To weigh to 200gm [serial No.14966].

Oertling Single-pan balance with instructions

1964

Analytical balance, single-pan constant-load aperiodic optical-projection type, model 2748 serial no.145953, capacity 200g x 1mg, by Sartorius-Werke AG, Gottingen, West Germany (lacks two small weights)

Analytical balance

1960-1983

Long-beam, 14", Oertling balance, used by Ramsay and Travers in their inert gas researches in 1896. It is an early Model 5 balance with no distinguishing marks, but unusual stirrup pans fitted, probably made before 1860, Glazed wooden case with two drawers in base,

Analytical balance used by the chemist Ramsey & Travers, 1850-1860

1850-1860

Rectangular wooden chest, contained 3 balances, stand, weights and accessories, green and gold lacquer inside, Persian, 1701-1900

Chest containing pharmacy scales, Iran (Persia)

1701-1900

Analytical balance, model AD4 by Stanton Instruments Ltd

Analytical balance

1950-1960

Sartorius analytical balance in glazed mahogany case with black glass base, brass beam and column, with cylindrical dampers, projected reading and ring weight loading dial, Model DP3, Serial No 45536, c 1935.

Balance with damping, optical reading, and rider attachment (Sartorius)

1934-1935

Chemical balance used by Dr. Andrew Ure (1778-1857), has a glazed wooden case and a long wooden drawer in the base, made by Breithaupt & Sohn, Cassel. Brass beam and pillar.

Analytical balance by Breithaupt & Sohn, Germany, 1804-1830

1804-1830