Full automatic electric "MADAS" calculating machin

Mathematics

1927-1935

Full automatic electric "MADAS" calculating machine, no.42085, with metal cover, plug and flex, by H.W. Egli Limited, Zurich, Switzerland ( Ex.T.A.E.6.).

"Madas" calculating machine with metal cover, no.4

Mathematics

1920

"Madas" calculating machine with metal cover, no.4757 capacity 7 x 7 x 12 by H.W. Egli Limited, Zurich, Switzerland.

Slide rule

Mathematics

1960-1970

One of four Dutch slide rules, plastic, for artillery use.

TriLog 108 Aristo clear plastic projection slide r

Mathematics

1970-1975

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

Case for Payne-Coradi parabolograph

Mathematics

Case for Payne-Coradi parabolograph (No.7) made by G.Coradi, Zurich, Switzerland.

Set of geometric models by George Adams, c.1770.

Mathematics

c. 1770

Set of geometric models by George Adams, c.1770.

Playskool' wooden toy 1960-1980

Mathematics

1960-1980

Playskool wooden toy, a wooden framework with rotating blocks bearing numbers and symbols to do arithmetic.

Plaster model of a surface generated by a semi-circle, 1876.

Mathematics

1876

Plaster model of a surface generated by a semi-circle made by Charles Delagrave, Paris, 1876.

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Polyhedron model showing the icosahedron and one of its 58 stellations, by John L. Hudson, Nottingham, England, United Kingdom, 1986-1987

Comptograph

Mathematics

1955-1965

Comptograph by Sumlock Comptometer Ltd., serial no. 130574, made by Walther, in West Germany, 1955-1965

Metograph, in mahogany case

Mathematics

1850-1851

Metograph, in mahogany case, 8 1/2" x 5 1/2". (drawing instrument)

A trigonometrical calculator, British, 1826-1842

Mathematics

1826-1842

Calculating machine for trigonometry made by J. Tree, London and invented by B. B. Catt of Ipswich with case, 1826-1842

Callipers by H.gregory, c.1770

Mathematics

1744-1800

Gunners callipers, 6 inch by H.Gregory, brass 18th century

Set of Napier's bones, 1770-1790.

Mathematics

1771-1800

Set of Napier's bones, in wooden case with trade label of "J. Imison, Clock & Watch Maker, Optician, &c., No. 58 Hay-market, London"

Circular slide rule, c 1870.

Mathematics

1870-1875

Engineer's circular slide rule, by Alfred Apps, London, with case, c.1870.

Six inch silver sector, late 18th century.

Mathematics

late 18th century

Six inch silver sector signed "Ramsden, London" with attached set square

Sector by Troughton

Mathematics

1801-1830

Sector by Troughton, brass, engraved "Troughton, London" 12" x 3 1/4" when closed, case 14" x 4 1/2" x 1", "H.O.2." painted on case

Stanley 6-inch plain drawing pen, Great Turnstile,

Mathematics

1876

Stanley 6-inch plain drawing pen, Great Turnstile, London, 1876

10-Inch StudioLog 0969 Aristo slide rule from the

Mathematics

1970-1975

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

10-Inch Darmstadt 967 Aristo slide rule from the 1

Mathematics

1970-1975

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

Three interlacing sheets in red, green and yellow wool, in a cylinder shape

Mathematics

1914

Three interlacing sheets in red, green and yellow wool, in a cylinder shape, by Alexander Crum Brown, Edinburgh, Scotland, United Kingdom, 1914. Described in the Napier Tercentenary Handbook as a locked cylinder.

Knitted light blue wool in a Klein bottle shape

Mathematics

1890-1910

Knitted light blue wool in a Klein bottle shape, by Alexander Crum Brown, Edinburgh, Scotland, United Kingdom, 1890-1910

Slide rule printing pattern

Mathematics

1967-1975

One of two patterns used for printing black figures on slide rule scales made by British Thornton Ltd, Manchester.

Halden Ruler

Mathematics

1870-1900

Ruler, made by J. Halden & Co. Ltd.

PIC slide rule

Mathematics

1950

PIC slide rule, made by A. G. Thornton Ltd, Manchester.

Exactus adder

Mathematics

1945-1955

Exactus stylus-operated adding and subtracting device, with swivelling half plate for add and subtract options, marked "Mini-Add Made in England"

Rhabdological abacus, in case. Invented by H. Good

Mathematics

1822-1824

Rhabdological abacus, in case. Invented by H. Goodwyn, 1822. With manuscript description by Olinthus Gregory (RAS No.89). Presented to the Royal Astronomical Society in 1824 by Goodwyn family.

Counting Pane

Mathematics

1996

'Counting Pane' acrylic knitting 132x145cm showing factors 1-10 in numbers up to 100, 1996.

Thompson's slide rule, 13 3/4" x 1/4", The three u

Mathematics

1833

Thompson's slide rule, 13 3/4" x 1/4", The three upper scales are logarithmic, the fourth scale is a "log-log" line and is used with the logarithmic scale on the slides for involution and evolution, c. 1833. c. 1883

Ready reckoner (currency)

Mathematics

1972-1976

One of four ready reckoners, for assisting the conversion from L.s.d. to decimal currency, sponsored by the Daily Telegraph newspaper. A paper and card dial with moveable cursor, namely the prototype for ready reckoner 1976-430/1.

Mathematical teaching aid for arithmetic

Mathematics

1960-1965

Diene's Multi-base Arithmetic Blocks in wood for bases 2,3,4,5 and 10, unsigned probably English, c.1960.

Hemmi 'Sun' (20-inch) slide rule

Mathematics

1950-1960

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

Dipstick and Slide Rule

Mathematics

1850-1870

Excise officer's dipstick and slide rule in a leather case.

Folding Rule

Mathematics

1915-1925

Folding 20-inch rule, made by J Rabone & Sons.

Exchequer tally and foil, English, 1822.

Mathematics

1822

An exchequer tally, date 1822 (2pts)

Cyclograph in fitted mahogany box

Mathematics

1791-1859

Cyclograph in fitted mahogany box, by W & S Jones, London, England, 1791-1859

Plotting scale

Mathematics

1876

One of 26 plotting scales by W.F. Stanley, Great Turnstile London. Ivory scale with bevel section, 6-inch with 2000, 1000, 30 & 15 Metre scales plus 5-Feet or 6-inch to a mile or 10 Links 88 = Feet on the front.

Outstick, checking pattern, by DRING & FAGE TOOLEY

Mathematics

1808-1843

Outstick, checking pattern, by DRING & FAGE TOOLEY STREET LONDON, marked E & WI DOCK COMPANY. (East and West India Dock Company, which was a merger of the East India Dock Company with the West India Dock Company in 1838).

Plotting scale

Mathematics

1876

One of 26 plotting scales by W.F. Stanley, Great Turnstile London. Broken ebonite bevel section scale, 12-inch with 94, 47 & 198 divisions on the front.

12" Proof Slide Rule (c. 1870), by DRING & FAGE TO

Mathematics

1845-1882

12" Proof Slide Rule (c. 1870), by DRING & FAGE TOOLEY STREET LONDON

Brass Burstow's patent Ellipsograph by W.F.Stanley

Mathematics

1876

Brass Burstow's patent Ellipsograph by W.F.Stanley, London

Anderson's slide rule, with book of instructions a

Mathematics

Anderson's slide rule, with book of instructions and conversion table

Sympalmograph

Mathematics

Sympalmograph in fitted box, a form of harmonograph made by John Browning, London

Slide rule, Cary's Cattle Gauge, wood, brassbound

Mathematics

Slide rule, Cary's Cattle Gauge, wood, brassbound at two ends; one slide, rule and slide divided on both faces, size 8"x1 9/16"x3/16", slide 8 9/16" long

Numeric Demonstrator

Mathematics

c.1900

"Numeric Demonstrator", elementary arithmetical teaching apparatus patented by Ethel L. Linay, 10 wooden rods with printed wooden grids, in box

Machine Gunners' Sliding Graph marked United Metal

Mathematics

Machine Gunners' Sliding Graph marked United Metal Engraving Co. Ltd., Newcastle-on-Tyne, plastic

Donkin slide rule; wood, length 9 1/8", stamped "D

Mathematics

Donkin slide rule; wood, length 9 1/8", stamped "Donkin" in corner at back of rule

Flour calculating slide rule, c 1910.

Mathematics

c.1910

Flour calculating slide rule c. 1910

Genaille's rods', French, 1885.

Mathematics

1885

One of two boxed sets of Genaille's rods, 1885: "reglettes multisectrices" and "reglettes multiplicatrices"

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Polyhedron model showing the icosahedron and one of its 58 stellations, by John L. Hudson, Nottingham, England, United Kingdom, 1986-1987