Image
Category
Collection
Object type
Material
Maker
Place
Date
Polar planimeter, Amsler's

Polar planimeter, Amsler's

1876

Planimeter, by Stanley

Planimeter, by Stanley

1901-1950

Coradi planimeter and map, 1886.

Coradi planimeter and map, 1886.

1886

Allbrit compensating polar planimeter

Allbrit compensating polar planimeter

1969-1976

Wetli Planimeter

Wetli Planimeter

Sang's Platometer

Sang's Platometer

1851

Harmonic analyser

Harmonic analyser

Allbrit fixed bar compensating polar planimeter with weighted arm

Allbrit fixed bar compensating polar planimeter with weighted arm

1954-1956

Amsler planimeter

Amsler planimeter

1901-1950

Allbrit sliding bar compensating polar planimeter with enclosed reading scale

Allbrit sliding bar compensating polar planimeter with enclosed reading scale

1974-1976

Rolling-sphere planimeter made by G. Coradi

Rolling-sphere planimeter made by G. Coradi

Allbrit radial planimeter for chart measuring

Allbrit radial planimeter for chart measuring

1956-1958

Hatchet planimeter, in mahogany case

Hatchet planimeter, in mahogany case

Amsler's planimeter by Elliott

Amsler's planimeter by Elliott

1884-1909

Polar planimeter

Polar planimeter

Polar planimeter

Polar planimeter

Large Allbrit sliding bar compensating polar planimeter for exhibition with weighted arm in wooden case

Large Allbrit sliding bar compensating polar planimeter for exhibition with weighted arm in wooden case

1937-1939

Allbrit [rule-form] linear planimeter

Allbrit [rule-form] linear planimeter

1974-1976

Allbrit fixed bar compensating polar planimeter with weighted arm

Allbrit fixed bar compensating polar planimeter with weighted arm

1955-1960

Lippincott's planimeter 1896

Lippincott's planimeter 1896

1896

Precision disc planimeter by Coradi

Precision disc planimeter by Coradi

Goodman's patent planimeter in fitted case

Goodman's patent planimeter in fitted case

Planimeter in case

Planimeter in case

Allbrit sliding bar compensating polar planimeter with weighted arm

Allbrit sliding bar compensating polar planimeter with weighted arm

1946-1948

Allbrit square root radial planimeter with pivot bolt for measuring charts from Ranarex carbon dioxide recorder

Allbrit square root radial planimeter with pivot bolt for measuring charts from Ranarex carbon dioxide recorder

1955-1957

Planimeter in fitted box

Planimeter in fitted box

Ten test bars for use with polar planimeters

Ten test bars for use with polar planimeters

1955-1970

Early form of Amsler planimeter c. 1856

Early form of Amsler planimeter c. 1856

1854-1856

Ashcroft averaging planimeter

Ashcroft averaging planimeter

1910-1920

Amsler planimeter by Wichmann in fitted box

Amsler planimeter by Wichmann in fitted box

Model of a polar planimeter

Model of a polar planimeter

1880-1882

Hatchet planimeter, by Knudsen, in case

Hatchet planimeter, by Knudsen, in case

Modified hatchet planimeter

Modified hatchet planimeter

1895-1899

Coradi compensation planimeter no 28348

Coradi compensation planimeter no 28348

1920

Allbrit rule-form linear planimeter with magnifier and hand magnifier

Allbrit rule-form linear planimeter with magnifier and hand magnifier

1964-1966

Allbrit fixed index compensating polar planimeter with the wrong weighted arm

Allbrit fixed index compensating polar planimeter with the wrong weighted arm

1974-1976

Planimeter used at RAE in padded cell

Planimeter used at RAE in padded cell

Allbrit rule-form linear planimeter with magnifier and hand magnifier

Allbrit rule-form linear planimeter with magnifier and hand magnifier

1957-1959

Allbrit sliding bar compensating polar planimeter with weighted arm

Allbrit sliding bar compensating polar planimeter with weighted arm

1969-1971

Coradi precision disc planimeter No. 264 in box

Coradi precision disc planimeter No. 264 in box

Box containing three identical weighted arms for Allbrit compensating polar planimeters by Stanley

Box containing three identical weighted arms for Allbrit compensating polar planimeters by Stanley

1955-1958

Allbrit sliding bar compensating polar planimeter with weighted arm

Allbrit sliding bar compensating polar planimeter with weighted arm

1974-1976

Rolling planimeter by Coradi No.800 in box

Rolling planimeter by Coradi No.800 in box

Parts of Wetli planimeter

Parts of Wetli planimeter

1858-1862

Sphere and disc planimeter by Coradi No.683 in box

Sphere and disc planimeter by Coradi No.683 in box

Parts of an Allbrit Polar Co-ordinate Plotter (U.2352) in mahogany case by Stanley

Parts of an Allbrit Polar Co-ordinate Plotter (U.2352) in mahogany case by Stanley

1955-1957

Compensating  sliding bar polar planimeter in fitted case by Uchida Yoko

Compensating sliding bar polar planimeter in fitted case by Uchida Yoko

1920-1950

Prototype Allbrit linear arm for a continuous chart planimeter  model A8350 by Stanley

Prototype Allbrit linear arm for a continuous chart planimeter model A8350 by Stanley

1971-1973

Ott's universal planimeter, in fitted case.

Ott's universal planimeter

Planimeter of Oppikofer and Ernst cone-and-disc type, as improved by Morin, made by Clair, Paris c. 1850

Planimeter of Oppikofer and Ernst cone-and-disc type

1848-1852