Polar planimeter, Amsler's
1876
Coradi planimeter and map, 1886.
1886
Polar planimeter
Polar planimeter
Sphere and disc planimeter by Coradi No.683 in box
Ten test bars for use with polar planimeters
1955-1970
Goodman's patent planimeter in fitted case
Precision disc planimeter by Coradi
Early form of Amsler planimeter c. 1856
1854-1856
Amsler planimeter by Wichmann in fitted box
Planimeter in fitted box
Large Allbrit sliding bar compensating polar planimeter for exhibition with weighted arm in wooden case
1937-1939
Parts of an Allbrit Polar Co-ordinate Plotter (U.2352) in mahogany case by Stanley
1955-1957
Allbrit sliding bar compensating polar planimeter with weighted arm
1969-1971
Allbrit fixed bar compensating polar planimeter with weighted arm
1955-1960
Allbrit fixed bar compensating polar planimeter with weighted arm
1954-1956
Allbrit sliding bar compensating polar planimeter with enclosed reading scale
1974-1976
Planimeter, by Stanley
1901-1950
Amsler planimeter
1901-1950
Planimeter in case
Model of a polar planimeter
1880-1882
Coradi compensation planimeter no 28348
1920
Hatchet planimeter, in mahogany case
Sang's Platometer
1851
Harmonic analyser
Coradi precision disc planimeter No. 264 in box
Rolling planimeter by Coradi No.800 in box
Box containing three identical weighted arms for Allbrit compensating polar planimeters by Stanley
1955-1958
Rolling-sphere planimeter made by G. Coradi
Ashcroft averaging planimeter
1910-1920
Wetli Planimeter
Lippincott's planimeter 1896
1896
Hatchet planimeter, by Knudsen, in case
Allbrit compensating polar planimeter
1969-1976
Allbrit radial planimeter for chart measuring
1956-1958
Allbrit sliding bar compensating polar planimeter with weighted arm
1974-1976
Allbrit square root radial planimeter with pivot bolt for measuring charts from Ranarex carbon dioxide recorder
1955-1957
Allbrit [rule-form] linear planimeter
1974-1976
Allbrit rule-form linear planimeter with magnifier and hand magnifier
1964-1966
Allbrit rule-form linear planimeter with magnifier and hand magnifier
1957-1959
Allbrit fixed index compensating polar planimeter with the wrong weighted arm
1974-1976
Allbrit sliding bar compensating polar planimeter with weighted arm
1946-1948
Prototype Allbrit linear arm for a continuous chart planimeter model A8350 by Stanley
1971-1973
Modified hatchet planimeter
1895-1899
Compensating sliding bar polar planimeter in fitted case by Uchida Yoko
1920-1950
Amsler's planimeter by Elliott
1884-1909
Planimeter used at RAE in padded cell
Ott's universal planimeter
Planimeter made by the American Steam Gauge and Valve Manufacturing Co
1890