Thursday, June 30, 2011

Actinia Stem (1875)

S. Lockwood, "Sea-Anemones," The Popular Science Monthly 7, May 1875, p. 4

Wednesday, June 29, 2011

Tuesday, June 28, 2011

Fly-wheel (1895)

"An Example of Wheel Construction." American Engineer & Railroad Journal 69 (1895).

Saturday, June 25, 2011

Thursday, June 23, 2011

Glass Tubing (1899)

John Taylor & Co.'s illustrated catalogue and price-list: assayers' materials, chemical apparatus and chemicals, school and physical apparatus, mine and mill supplies, 7th ed. (San Francisco: John Taylor & Co., 1899). 

Tuesday, June 21, 2011

Cone Drawing & Roving (1906)

Howard Priestman, Principles of Worsted Spinning (London: Longmans, Green, & Co., 1906).


Sunday, June 19, 2011

Monday, June 13, 2011

Crown-Wheel & Verge (1873)

H.L. Nelthropp, A Treatise on Watch Work Past and Present (London: E. & F. N. Spon., 1873).

Saturday, June 11, 2011

Great Wheel (1898)

Robert Routledge, Discoveries and Inventions of the Nineteenth Century, 12th edition (London and New York: George Routledge & Sons, Limited, 1898).

Friday, June 10, 2011

Circular Slide Rule (1918)

Joseph Lipka, Graphical and Mechanical Computation (New York: Joseph Wiley & Sons, Inc., 1918).

Wednesday, June 8, 2011

Phantasmoscope (1907)

D. C. Beard, The American Boys Handy Book (New York: Charles Scribner's Sons, 1907)

Tuesday, June 7, 2011

Concrete Harbor Light House (1908)

H.R. Matthei and J. Guerni, "Design and Details of a Concrete Reinforced Harbor Lighthouse" (BS Thesis, Armour Institute of Technology, 1908).





Friday, June 3, 2011

Observations on the Mystery of Print (1937)





Hendrik Willem Van Loon, Observations on the Mystery of Print (New York: Book Manufacturer's Institute, 1937).


Thursday, June 2, 2011

Type Writing Machine (1898)


Thaddeus Cahill. 1896. Type Writing Machine. U.S. Patent 600,120, filed October 21, 1896, issued March 1, 1898.