1920 Rotogravure Science News Cryoscope Device Typewriter Sign NY David SI1 XGIB4 This company is doing their

This company is doing their part to aid in the war efforts by providing refrigeration units to the U

This is an original 1926 black and white print ad for Firestone General Tires

'" This is an original 1914 black and white print ad for Sanatogen -- "The Food Tonic" from The Bauer Chemical Company

This is an original 1942 black and white print ad for the Smith-Meeker Engineering Company

This is an original 1900 black and white relief line-block print portrait of King Philip II of Spain

1920 Rotogravure Science News Cryoscope Device Typewriter Sign NY David SI1 XGIB4 This company is doing theirThis is an original 1920 two page sepia rotogravure set (two single sided pages) with images of science news featuring the Cryoscope, a device that enables one to tell just what amount of water has been added to a sample of milk; a paddle boat; the day and night view of a huge electric typewriter sign in New York City; the Non Sinkable Safe invented by Mannotti Nanni of Chicago; David Swart and James Smith of Evanston with their water bicycle, a