Public domain
First calculating machine presented to Smithsonian. Washington, D.C., March 31. An old macaroni box filled with an arrangement of wheels, rubber bands, meat skewers and staples which was the forerunner of the modern key-driven, multiple-order calculating machine, was presented to the Smithsonian Ins
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineFirst calculating machine presented to Smithsonian. Washington, D.C., March 31. An old macaroni box filled with an arrangement of wheels, rubber bands, meat skewers and staples which was the forerunne. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.