Cardboard drawing curves in case

Mathematics

Parabaloid by Alexander Brill

Mathematics

1910

Parallel rule

Mathematics

1731-1770

Surveyor's sector

Mathematics

British Admiralty Hydrographer's tubular beam drawing compass

Mathematics

Section showing construction of the earlier hand operated model of Burroughs adding and calculating machines

Mathematics

1929

Calendrical slide rule

Mathematics

1800-1900

5-Inch Puck 810 Aristo slide rule from the 1973 catalogue

Mathematics

1970-1975

Stereoscope, wood

Mathematics

1876

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Double Pyramid

Mathematics

1876

Case for Quixsum Fractional Adding Machine

Mathematics

1924-1930

10-Inch Studio 0968/400g Aristo slide rule from the 1973 catalogue

Mathematics

1970-1975

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Sliding scale for determining BBC radio frequencies

Mathematics

Case for harmonic motion demonstration apparatus

Mathematics

Truncated Octahedron

Mathematics

1876

Mahogany case for Wilton's brass protractor

Mathematics

Leadbetter slide rule

Mathematics

Case for Addometer adding machine

Mathematics

1900-1920

Packet from set of unassembled geometrical models

Mathematics

1876

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Bramah puzzle

Mathematics

1920-1929

Automatic electromechanical calculating machine

Mathematics

1948-1955

Tesseract Contaoctahedron

Mathematics

1876

Rods for two sets of Genaille's rods

Mathematics

1925

Numeria electrical calculating machine

Mathematics

1955-1965

Glover's sector

Mathematics

1839-1850

One of three extra scales

Mathematics

Universal computing scale, length 19 inches

Mathematics

5-Inch Reitz 89E Aristo slide rule from the 1973 catalogue

Mathematics

1970-1975

Monroe calculating machine

Mathematics

1925

Circular slide rule with plotting scale and course protractor for aeronautical use

Mathematics

1971

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Mahogany case for cannon scribe

Mathematics

1784-1807

Pantograph in box

Mathematics

Finger-operated mechanical adding machine.

Mathematics

1910-1940

Slide rule

Mathematics

Old German instrument for ruling dotted lines

Mathematics

Instrument for drawing oval curves

Mathematics

Polar planimeter, 1894

Mathematics

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Cast iron stand for precision pantograph

Mathematics

Ready reckoner for bolts and screws

Mathematics

5-Inch Piccolo 816 Aristo slide rule from the 1973 catalogue

Mathematics

1970-1975

Barnes Brothers' constantnometer and ampere rule

Mathematics

1903

10-Inch Studio 0968E Aristo slide rule from the 1973 catalogue

Mathematics

1970-1975

Polyhedron model showing the icosahedron and one of its 58 stellations

Mathematics

1986-1987

Triacontahedron

Mathematics

1876

Steel drawing pen

Mathematics

1876