Manual accompanying the Mannheim slide ruleThe slide rule was invented by English mathematician William Oughtred (1575-1660) in the mid seventeenth century on the basis of…
Memorial of Sundry Gun Manufacturers of the Borough of LancasterMemorial of Sundry Gun Manufacturers of the Borough of Lancaster, February 4, 1803
Notice in the North Carolina Spectator and Western Advertiser announces that Christopher Bechtler is open for business as a clock and watchmaker and jewelerA notice in the North Carolina Spectator and Western Advertiser announces that Christopher Bechtler is open for business as a…
Notice to gold miners and others announces the start of Bechtler’s assaying and minting operationsA notice to gold miners and others announces the start of Bechtler’s assaying and minting operations, North Carolina Spectator and…
Schoenhut, Albert, Design for an Improved SailboatIn 1901, Albert Schoenhut patented his improvements to the toy sailboat (U.S. Patent No. 685,648). In 1911, he applied for…
Schoenhut, Albert, Design for an Improved TrumpetMuch of the Schoenhut Company’s success was attributable to Albert’s emphasis on constant innovation and technical improvements. This design for…
Schultze, Gustav Friedrich Wilhelm, patent for a coin-controlled apparatusGustav Friedrich Wilhelm Schultze, patent for a coin-controlled apparatus. Patented August 8, 1893.
Sign Post at the Entrance of the Gruen Guild WorkshopsIn 1913, the Gruens purchased land in Cincinnati for a new factory building, which they named “Time Hill.” It was…
Singer advertisement with brief history of the companySinger advertisement with brief history of the company from the Virginia Enterprise, December 20, 1901, np.
Singer Sewing Machines advertisement highlighting the growth in sales during the past decade and the firm’s awards at various fairs and expositionsAdvertisement for Singer sewing machines highlighting the growth in sales during the past decade and the firm’s awards at various…
Singer, Isaac M.'s patent (no. 8,294) for his "improvement in sewing-machines"Isaac M. Singer's 1851 patent (no. 8,294) for his "improvement in sewing-machines." The application includes illustrations of the mechanism that…
