Leibniz s Step Reckoner
{"Image DocumentName": "Leibniz s Step Reckoner", "Image ImageDescription": "Leibniz designed a machine to carry out multiplication, the Stepped Reckoner . It can multiple number of up to 5 and 12 digits to give a 16 digit operand. The machine was later lost in an attic until 1879.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}