American Artifacts Articles online

SCIENTIFIC

• Surveying Instruments Price lists and illustrations from early catalogs.
• American Microscope Makers 19th century journal reprints, patent illustrations, and advertisements for microscopes.
• Microscopes of the American Agriculturist Microscopes were offered as subscription premiums.
• Robert B. Tolles, American Microscope Maker Famous for his large aperture immersion objectives, Tolles also produced fine microscopes.
• The Webb Adder
• Edwin Thacher's Calculating Instrument
• The Pitometer An instrument for measuring flow rate in water mains.
• The electrical apparatus and experiments of Charles Grafton Page

MEDICAL

• Signals from the Grave
• The Electronic Reactions of Dr. Abrams
• The Radio Disease Killer
• Dr. Scott's Electric Brushes.
• The Theronoid.
• Formaldehyde Disinfection Room disinfectors.
• Galvanic Spectacles Electricity in Medicine, Part 1.
• Electric Dumbbells Electricity in Medicine, Part 2.
• Quack Eye Massagers

AGRICULTURE

• Dog, sheep and horse treadmills provided power on the farm.
• 19th C. farm magazine reprints The early mechanization of agriculture
• American Grain Cradles Development of the cradle scythe.
• Hand Corn Shellers A survey of the great variety of small corn shellers.
• Dairy centrifuges Early hand cranked milk test centrifuges.
• Early Cow Milkers Hand milkers from the book, American Milking Machines.
• Sickle sharpeners Mowing machine and reaper knife grinders.

MECHANICAL

• Human powered dragsaws with a page on power saws.
• W.F. & John Barnes Foot Power Machinery The 1885 catalog and patents of this famous maker of scroll saws, lathes, and other human powered machines.
• Aquatic Velocipedes A variety of human powered water craft.
• The Imaginative Inventor 19th C. inventions demonstrating the (sometimes excessive) imagination of the inventor.

© 2013, American Artifacts, Taneytown Maryland.
Contact: Richard Van Vleck at smma@americanartifacts.com