Orthogonal Planimeter 03/02/2013 07/03/2023 Free Building Instructions, Machine, Miscellaneous, Original Creations A mechanical device used for calculating area on an arbitrary shape….
Pritz Hatchet Planimeter 19/01/2013 10/01/2020 Free Building Instructions, Machine, Original Creations My first planimeter, very simple and very demonstrative to understand how a mechanical device can calculate area….
Integraph : Graphic Planimeter 17/02/2011 17/01/2020 Free Building Instructions, Miscellaneous, Original Creations An Integraph is an instrument used in mathematics for plotting the integral of a graphically defined function….
