Mathematics

1935-1950

A Unique electrical slide rule, with case.

1862-1869

Original Routledge's Engineer's Slide-Rule and manuscript book of instructions for using it

Meteorology

1956

Pilot balloon slide rule Mark IVA, Met Ref No 868A, MO 2792/56, in pine wood case

Experimental Chemistry

Bate's sliding scale, apparently for use in conjunction with Sikes' hydrometer

1970-1975

TriLog 208/1&2 Aristo clear plastic projection slide rule [5-Inch], consisting of two separate parts in cardboard case

Scholar 203 Aristo clear plastic projection slide rule [5-Inch], in cardboard case

Circular slide rule for calculating atomic and volumetric combinations

Slide rule for sarking and flooring, designed by James Liddell, Falkirk, made by Dring & Fage, London, boxwood with brass ends

10-Inch TriLog 0908E Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch Commerz II 965 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch Textile [Textil] 930 Aristo slide rule from the 1973 catalogue , instruction leaflet.

10-Inch Simplex 0911E Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch Rietz 99E Aristo slide rule from the 1973 catalogue, with instruction leaflet.

1959

M.O. humidity slide rule Mk IV, MO 1917/59, Met Ref No 1917/59, Met Ref No.1468, in case. Date 1959

1967-1975

British Thornton AD 050 P. 271 slide rule, with plastic case, instructions, and cardboard box.

Slide rule, wood; made by Rooker, size 2'1"x1 1/8"x5/16"; one slide 2'1 7/16" long

W.H. Smith simplified Rietz (10-inch) slide rule by Blundell Harling Limited with plastic case and instructions

1791-1859

Slide rule, wood; made by W. & S. Jones; one slide, size 2' x 1 1/16" x 5/16", in morocco case

1774-1793

Brass slide rule by Nairne and Blunt size 11 1/4" x 2" x 3/16" closed: four sliders: six pins with milled heads: in mahogany case, Nairne and Blunt, London, 1774-1793.

1797-1826

Boxwood slide rule, with two slides by J. Stutchbury

1713

Slide-rule, 12-inch, boxwood, engraved: "Isaac Carver fecit 1713", with two sliders

Weighing & Measuring

1897

Fuller spiral slide rule by W.F. Stanley in a wooden case with instructions, 1897.

1890-1940

Slide rule, made by J. Halden and Company Limited.

1960-1962

Tarrant Hydraulic slide rule for calculating water flow in pipes and circular sewers; made by Blundell Rules.

1913

R.F. Agnew's patent slide rule.

1960-1966

Wooden linear slide rule model 121 with case, made by A. G.Thornton, Manchester.

1903-1920

Slide rule by W.H. Glaser.

1900

Scientific Publishing Company circular calculator.

Psychology, Psychiatry & Anthropometry

c.1950-1965

"Otis King's" cylindrical slide rule for calculating percentages, logarithms etc., manufactured by Larbic Ltd, c.1950-1965.

Rietz 109 Aristo slide rule [20-Inch], with accessories, instruction leaflet and cardboard case.

Pumping Machinery

Specialist slide rule for pipe and sprinkler engineer's calculations. Made by, and used at, at Mather & Platt, about 1970.

Oceanography

1942

Circular slide rule (4-inch scale) for converting bathythermograph records to soundwave velocity, by Gilson Slide Rule Co., USA, 1942. Made for Bureau of Ships, US Navy Department, form 13, serial no. 794.

TriLog 108 Aristo clear plastic projection slide rule [8-Inch], consisting of two separate scales in cardboard case with instruction leaflet

1940

Pilot balloon slide rule Mk II, Met.O. 1508/40, by A.G. Thornton Ltd., in case.

Farnborough

Centre of gravity calculator/slide rule for the De Havilland Devon C Mk 2 aircraft XG496, in case.

Aristo 630 Chemie circular slide rule and calculator for chemist in plastic case

1950-1960

Hemmi 'Sun' (20-inch) slide rule with cardboard case

1820

Wollaston's slide rule of chemical equivalents arranged by the late Chas. Cuff of Bath, published by S. Sainsbury, 177 Strand, London; engraved on paper, varnished and mounted on wood, 20" x 3 3/4", c. 1820

Slide rule with magnifying cursor

Twelve inch slide rule, with two slides: wood; maker unknown (small part of one slide missing)

1985

Slide rule, plastic, 'Musigraph 100', for music theory, by Musigraph Company, Teaneck, New Jersey, United States of America, 1985

10-Inch StudioLog 0969 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch Commerz Junior 0907 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch Darmstadt 967 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch HyperLog 0972 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

5-Inch Commerz 845 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

5-Inch StudioLog 869 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

1950-1965

Wooden slide rule with plastic cursor and printed scales by Lawrence Engineering, Wabash, Indiana, USA, 1950-60s

10-Inch Junior 0901 Aristo slide rule from the 1973 catalogue, with instruction leaflet.

10-Inch BiScholar 0906 Aristo slide rule from the 1973 catalogue, with instruction leaflet.