16 Stepped Reckoner, 1694 11 Antique Tattoo Machine Invented by German mathematician This is a soft-hit, long-stroke Gottfried Wilhelm Leibniz, it was shader. Antique coil-style the first mechanical calculator that tattoo irons are still popular, could perform addition, subtraction, multiplication and division. and modern craftsmen 17 English Theodolite, create artistic and functional 1865 by William Stanley. handmade machines. A surveying instrument with a rotating telescope for measuring angles 12 1 Spring Lancet a medical device 18 Universal Electric Toaster, Holcomb & Hoke 8 Surveying Instrument, mid-1800s. and sighting objects at a for blood-letting, used to treat circa 1919 A spring-loaded Butter-Kist Popcorn May be a Theodolite - used to measure distance. everything from fever to anemia. “pincher” type toaster with Machine, 1919 All horizontal and vertical angles; or a Transit, The “elegant” spring-loaded blade integrated bread rack. White, electric model with to measure straight lines. The names are rotating sign and side- 5 Ice Chopper, 1920s type of lancet was popular in the wheat, or rye? often misused in surveying instrument 18th and 19th centuries. mounted peanut roaster. of the four-point, nomenclature, and there are a variety of capped handle variety. types including astronomic, solar, optical, The right tool to crack vernier, etc. ice for your Mary Pickford or Mint Julep. 13 Hoe’s 6-Cylinder Rotary Printing Press Invented in 1843 by 2 Sandusky Plow 9 Keaton Music Richard M. Hoe, it could produce Plane, 1926 Used to Typewriter, 1950s. Made millions of copies of a page in a cut grooves in wood. it easier for publishers, single day—although mass printing 19 Chirographer patented in 1847 by Charles Beechwood construction musicians, and teachers really flourished when the faster Thurber. An early typewriter inventor, Thurber with screw-style arms. to produce sheet music ‘continuous feed’ roll-paper press gave up that technology in favor of this machine, in quantity—although was invented. which communicated “to a pen or pencil holder the motions necessary to delineate…letters or characters, 6 Gas Spectrum Analysis composers preferred to by motions at right angles to each other, obtained Device …probably. It’s in write out music by hand. by sets of cams, each set being so formed as to… the McPherson Collection of generate the vertical, horizontal, oblique, and curved physics instruments at McGill 14 Superheterodyne Developed during lines required to delineate the letters or characters.” University in Montreal. The World War I by U.S. engineer Edwin clips on the right side could Armstrong, it used frequency mixing to secure polarizing filters, and the convert a received signal to an easier- cylindrical extension is a high- to-process fixed intermediate frequency. 3 South Downs voltage electrode input. Modern radios still use this principle. Sheep Shearing Machine, 1869 Because hand-shearing 20 Arithmomètre patented by Thomas de Colmar 10 The Corliss Centennial was rough work for the in 1820, it became the world’s first calculating Engine is a 45-foot-tall shearer…and the sheep! machine produced in a series. Manufactured from all-inclusive rotative beam 15 Horseradish Grinder 1851 to 1915, it was reliable enough to be used 7 Ancient Chinese steam engine that powered Brass-topped, wood daily in an office environment, and became the first Compass Called a “Sinan” virtually all of the exhibits at construction, with cast-iron commercially successful mechanical calculator. (device pointing south), it the Philadelphia Centennial gears. Cooks in the 1880s was made from a naturally Exhibition in 1876. Its side-by- enjoyed its hand-crank magnetic lodestone. Used side cylinders were bored to 44 4 Thayer Patent operation and convenient more for harmonizing home inches with a 10 foot stroke and Combination Tool, pull-out collection drawer. environments than navigating. produced 1,400 horsepower. 1881 combined a meat tenderizer, stove lid lifter, trivet, candlestick, pot lifter and more into one convenient household tool.