Photograph of Musschenbroeck's dividing instrument Photograph of Musschenbroeck's dividing instrument
Lavater's instrument for dividing mathematical scales on rules Lavater's instrument for dividing mathematical scales on rules
Dividing and screw cutting machine, by Bryan Donkin, constructed in 1826. Dividing and screw cutting machine
Photograph of an illustration of the Duc de Chaulnes' linear dividing machine, 1768 Photograph of an illustration of the Duc de Chaulnes' linear dividing machine
Photograph of an illustration of the Duc de Chaulnes' circular dividing machine, 1768 Photograph of an illustration of the Duc de Chaulnes' circular dividing machine
Photograph of circle dividing machine of the Topographic Department of the Russian General Staff St.Petersburg Photograph of circle dividing machine
Two photo prints of a dividing engine and a booklet (McCow's R.A.S. paper describing dividing engine). Two photo prints of a dividing engine
