Actinia Stem (1875)

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

A Synthetic Study of Dynamo Machines (1889)

"A Synthetic Study of Dynamo Machines," The Electrical Review 24, 1889, p. 880.

Fly-wheel (1895)

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

Fabric Printing Machine (1873)

"Fabric Printing Machine," Scientific American 31, 1873.

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). 

Cone Drawing & Roving (1906)

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

The Abrading and Transporting Power of Water (1870)

T. Login, "The Abrading and Transporting Power of Water," Nature (April 28, 1870).

Crown-Wheel & Verge (1873)

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

Great Wheel (1898)

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

Circular Slide Rule (1918)

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

Phantasmoscope (1907)

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

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).

Lights in Darkest England (1893)

Phil May's Winter Annual, 1893.

Observations on the Mystery of Print (1937)

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

Type Writing Machine (1898)

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