अनियमित समतल प्रतिमा क्षेत्रे मोजण्यासाठी मोजण्याचे साधन,

planimeters's Usage Examples:

and calculating devices including rulers, protractors, pantographs, planimeters, integrators, and slide rules Mechanical linkages, pantographs, four-bar.

construction of physical measuring and calculating devices including rulers, protractors, pantographs, planimeters, integrators, and slide rules Mechanical linkages.

directed a Laboratory of Mechanics which included calculating machines, planimeters, moment integrators, and a harmonic analyzer.

product range comprised optical, navigational, and surveying instruments, planimeters and equipment for telegraphy.

solutions for differential equations using mechanical devices, discounting planimeters, started at least as early as 1836, when the French physicist Gaspard-Gustave.

There are several kinds of planimeters, but all operate in a similar way.