Mathematisch-mechanisches Institut G. Coradi Zürich

Planimeters Ott & Coradi (1874 – 1880)

Ott & Coradi Polar Planimeter

Polar Planimeter

Marking: Ott & Coradi Kempten
Serial Number: 7
Year: ca. 1875
Size: 29 x 14 x 5 cm
Ott & Coradi Polar Planimeter

Polar Planimeter

Marking: Ott & Coradi Kempten
Serial Number: 76
Year: ca. 1878
Size: 29 x 14 x 5 cm
Ott & Coradi Polar Planimeter

Polar Planimeter

Marking: Ott & Coradi Kempten
Serial Number: 336
Year: 1883
Size: 35 x 11 x 6.5 cm