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Chemical Balance

Chemical Balance

1895-1905

Chemical Balance

Chemical Balance

1935-1945

Chemical Balance

Chemical Balance

1920-1930

Chemical Balance

Chemical Balance

1945-1955

Analytical chemical balance in glazed cabinet.

Analytical chemical balance in glazed cabinet.

1874-1876

Chemical Balance

Chemical Balance

1905-1915

Short-Beam Chemical Balance

Short-Beam Chemical Balance

1950-1955

Beamscale, in mahogany and glass case

Beamscale, in mahogany and glass case

circa 1886

chemical balance

chemical balance

1913

Long-Beam Chemical Balance

Long-Beam Chemical Balance

1800-1810

Short-Beam Chemical Balance

Short-Beam Chemical Balance

1956

Gendle balloon balance, Met O 97. for pilot balloon, for Royal Navy Meteorological Service

Gendle balloon balance, Met O 97. for pilot balloon, for Royal Navy Meteorological Service

Oscillobar beam balance drill jig

Oscillobar beam balance drill jig

1964-1969

Prototype gold assay balance, in glazed mahogany case, 1852

Prototype gold assay balance, in glazed mahogany case, 1852

Chainomatic analytical balance (model No.48GC) by L. Oertling Ltd

Chainomatic analytical balance (model No.48GC) by L. Oertling Ltd

1949

Oertling No.3A analytical balance

Oertling No.3A analytical balance

1848-1882

Chemical Balance

Chemical Balance

1879

Commercial electronic weighing scales

Commercial electronic weighing scales

2000-2001

Oertling model 5SBP analytical balance with separate telescope, serial no.11192, made 1910.

Oertling model 5SBP analytical balance, 1913, with free standing telescope

1910

Miller's Vacuum Balance [comparator], by L. Oertling, 1870, glass side caps (broken glass replaced 18/ 10/33). Length of beam 1'-4", sensitivity 0.0042gr.

Miller's Vacuum Balance by L. Oertling, 1870

1870

Automatic one-pan analytical balance, 1963 (Oertling model HO5)

Automatic one-pan analytical balance

1963

Chemical balance by F. Sartorius, 1879 in wooden case.

Chemical Balance

1879

Balance to carry 10 Kilogrammes, and a centigramme, 10 inch pans

Analytical balance

circa 1886

Balance to carry 1000 grammes and to turn with 20 milligrammes 6 inch pans

Analytical balance

circa 1886

Wind Tunnel Mechanical Balance, used Initially in the RAE 24 Foot Wind Tunnel, Plus Set of Weights.

Wind Tunnel Mechanical Balance

Metal hand balance with an iron beam and brass pans.

Metal hand balance with an iron beam and brass pans

1830-1860

Packing pieces for weights (crystal box), from 1963, Oertling model HO5, analytical chemical balance.

Packing pieces for weights (crystal box)

1963

Bottom of centre post of beam balance, brass, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Bottom of beam balance centre post, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Beam, from beam balance, brass, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Beam of beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Pan, of glass, with silver metal mount, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Pan for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Pan, silver metal, attached to suspender, ending in the shape of a stirrup, hoop on top, with paper label saying ‘rechte Seite! right side!’, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Pan for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Automatic one-pan balance, 1963 (Oertling model HO5) Serial Number 11602

Automatic one-pan balance

1963

Eight screws, brass, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Eight screws for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Fixings of beam balance, brass, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Beam balance fixings, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Fixings of beam balance, brass, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Beam balance fixings, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Fixings of beam balance, brass, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Beam balance fixings, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Pan, silver metal, attached to suspender, ending in the shape of a stirrup, hook on top, with paper label saying ‘rechte Seite! right side!’, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Pan for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Centre post of beam balance, brass, with pointer and small scale attached to it, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Centre post of beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Pan, silver metal, only attached to stirrup with hook, with paper label saying ‘linke Seite! left side!’, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Pan for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Two screws, brass, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Two screws for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Three screws, brass, for beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Three screws for beam balance, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850

Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd, Birmingham, Serial No. 356, capacity 200 grams, c.1950s

Nivoc (trademark) aperiodic analytical balance made by W & J George & Becker Ltd

1950-1959