Lightning Mechanical Calculator (1908) Models on Display:Lightning Calculator 25-inch floppy drive into a

25-inch floppy drive into a single compact chassis

yet it was still fully compatible with all standard ColecoVision video game cartridges

Jamaica Plains

Despite the monumental nature of the issue

Lightning Mechanical Calculator (1908) Models on Display:Lightning Calculator 25-inch floppy drive into aLightning Calculator The Lightning Adding Machine, first produced in 1908, was a popular and affordable desktop calculator that became a staple for small business owners for over half a century. Unlike the heavy, ultra expensive computing machines used by massive corporations, the Lightning was a lightweight, wedge shaped gadget that operated using a simple metal pointer, or stylus. To add up numbers, a merchant would insert the pointer into one of