Alfred J. Amsler & Co. Schaffhausen

Jakob Amsler (1856 – 1888)

Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 213
Year: ca. 1856
Size: 23 x 5 x 3 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 543
Year: ca. 1857
Size: 26 x 5 x 3 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 582
Year: ca. 1857
Size: 30 x 5.5 x 3 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 867
Year: ca. 1858
Size: 27 x 5 x 3.5 cm
Amsler Pantograph Planimeter

Pantograph Planimeter

Marking: -
Serial Number: 8164
Type: 5
Year: ca. 1870
Size: 31 x 6.5 x 5.5 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 11225
Type: 3
Year: ca. 1880
Size: 28 x 5 x 3.5 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 10849
Type: 4
Year: ca. 1880
Size: 27 x 5 x 3.5 cm

Alfred J. Amsler & Co. (1888 – 1950)

Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 72405
Type: 1 (short version)
Year: ca. 1927
Size: 15.5 x 5.5 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 76977
Type: 2
Year: ca. 1930
Size: 22 x 5 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 45390
Type: 2 (extendible tracing arm)
Year: ca. 1910
Size: 27 x 5 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 77963
Type: 4 (extra large)
Year: ca. 1931
Size: 52.5 x 6 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 81964
Type: 6 (standard size)
Year: ca. 1939
Size: 30.5 x 6 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: J. Amsler
Serial Number: 72550
Type: 6 (small size)
Year: ca. 1927
Size: 25.5 x 5.5 x 4 cm
Amsler Polar Planimeter

Polar Planimeter

Marking: -
Serial Number: 60452
Type: 7
Year: ca. 1918
Size: 42 x 7 x 5 cm
Amsler Polar Disc Planimeter

Polar Disc Planimeter

Marking: -
Serial Number: 39039
Type: 8
Year: ca. 1905
Size: 38 x 18 x 10 cm
Amsler Compensating Planimeter

Compensating Planimeter

Marking: J. Amsler
Serial Number: 65768
Type: 11
Year: ca. 1923
Size: 34 x 7 x 4.5 cm

Radial Planimeters

Durand/Amsler Radial Planimeter

Radial Planimeter

Marking: Foxboro / Durand-Amsler
Serial Number: 58503
Year: ca. 1917
Size: 24 x 7.5 x 5 cm
Kent/Amsler Radial Square Root Planimeter

Radial Square Root Planimeter

Marking: Geo. Kent Ltd. / J. Amsler
Serial Number: -
Year: ca. 1930
Size: 19.5 x 16.5 x 4.5 cm
Amsler Radial Square Root Planimeter

Radial Square Root Planimeter

Marking: J. Amsler
Serial Number: 79746
Year: ca. 1935
Size: 27 x 13.5 x 8.5 cm

Integrators

Amsler Integrator

Integrator

Marking: J. Amsler
Serial Number: 81
Year: ca. 1875
Size: 72 x 11 x 8 cm
Amsler Integrator

Integrator

Marking: J. Amsler
Serial Number: 180
Type: 1
Year: ca. 1885
Size: 31 x 29 x 7.5 cm (integrator)
153 x 6.5 x 4.5 cm (steel rail)
Amsler Integrator

Integrator

Marking: -
Serial Number: 607
Typ: 3
Year: ca. 1910
Size: 78 x 15.5 x 8.5 cm
Amsler Harmonic Analyser

Integrator

Marking: Harvey Harmonic Analyser / Alfred J. Amsler & Co.
Serial Number: 7
Year: 1937
Size: 53 x 38 x 11 cm (analyser)
77.5 x 8.5 x 6 cm (steel rail)

Amsler & Co. (1950 – 1982)

Amsler Compensating Planimeter

Compensating Planimeter

Marking: Amsler
Serial Number: 10790
Type: 612 b
Year: ca. 1960
Size: 26 x 8.5 x 5 cm
Amsler Compensating Planimeter

Compensating Planimeter

Marking: Amsler
Serial Number: 11053
Type: 612 c
Year: ca. 1960
Size: 26 x 8.5 x 5 cm
Amsler Disc-Knife Planimeter

Amsler-Coradi Disc-Knife Planimeter

Marking: Amsler Coradi
Serial Number: -
Type: 2007
Year: 1967
Size: 25 cm (Length)
Amsler Disc-Knife Planimeter

Amsler-Coradi Disc-Knife Planimeter

Marking: Amsler Coradi
Serial Number: -
Type: 2007
Year: 1967
Size: 25 cm (Length)
Amsler Compensating Planimeter

Compensating Planimeter

Marking: Amsler
Serial Number: 13657
Type: 800
Year: ca. 1970
Size: 25 x 9.5 x 5 cm
Amsler Small Pantograph

Pantograph Accessory

Marking: Amsler AG
Serial Number: -
Type: 803
Year: ca. 1970
Size: 25 x 8.5 x 4 cm