Metal Manufactures. Metalworking.

Joseph Farwell Glidden used an improvised coffee bean grinder to fashion barbs and create the world's first barbed wire, in 1873.

Samuel Colt patented a pistol featuring a revolving cartridge cylinder which automatically advanced the chamber when the gun was cocked in 1836.

Daniel Burnap was a Connecticut clockmaker whose clocks were well-known for their fine craftsmanship and incredible timekeeping accuracy.

THE ROBINSON LIBRARY
Technology.--Manufactures.