Amsler integrator in box, with brush, two screw drivers and rail in separate box Amsler integrator in box
Integrator- 2 sets of Integrator, marked 5" and 3" above of each, mounted on a square wooden board. Underneath the integrators there are 4 circular parts with thin metal pipes attached across. Manufactured by Curnon Engineering Company, Manchester. Curnon Engineering integrators circa 1910-20
Computing integrator for Pye 104 gas chromatograph. Computing Integrator for Pye 104 Gas Chromatograph circa 1975
Hele-Shaw's integrator, engraved "G. Coradi, Zurich, no.16". Comes with a brush and two screw drivers. Hele-Shaw's integrator 1915
C.V. Boys' curve drawing integrator, designed c. 1881. Comes with a drawinig component. integrator 1880-1885