Polar planimeter
Amsler polar planimeter No. 12359 in fitted case (B981)
Planimeter in fitted box
Kent planimeter by J. Amsler, in fitted box
Amsler integrator (without rail) engraved: "J.Amsler 106" and "Julio F.Sorzano
Amsler integrator (without rail) engraved: "J.Amsler 106" and "Julio F.Sorzano, ingenieur civil", in box
Integraph by J.Amsler with wooden case. From Royal Aircraft Establishment
1910-1920
Integraph by J.Amsler with wooden case. From Royal Aircraft Establishment , Farnborough, 1910-20.
Polar planimeter, Amsler's
1876
Polar planimeter, Amsler's
Amsler electrically registering current meter with case and battery box
1913-1916
Amsler electrically registering current meter with case and battery box, by Michael Sendtner, A G, Munich, German, 1913-1916 (see part records)
Amsler's integrator; in case with rail.
1856-1890
Amsler's integrator; in case with rail.
Amsler integrator in box
Amsler integrator in box, with brush, two screw drivers and rail in separate box
Amsler-Laffon tensile testing machine
circa 1890
Amsler-Laffon tensile testing machine. Said to be c. 1890
Photograph of Amsler current meter by Stanley
1915
Photograph of Amsler current meter by Stanley, 1915