Check out internship project descriptions for Spring 2025 below! Applications are due Monday, November 18, 2024 at 5 PM EST. Check out our How to Apply page to learn about the application process, and ...
This component consists of one brass and one steel gear held together by a cylinder. Parts of the Bush differential analyzer surviving at the Smithsonian have museum numbers MA.314824 and 1983.3002.01 ...
Each of these five aluminum spiral gears has a hole in the center. The dimensions are for each gear. A mark reads: 146335 6. Parts of the Bush differential analyzer surviving at the Smithsonian have ...
The HP-45, the successor to Hewlett-Packard’s HP-35 calculator, was also designed for scientific calculations. It has a black plastic case. Like the HP-35, it has a total of thirty-five square or ...
This black leather carrying pouch for an electronic calculator has a Velcro fastening and a loop that fits over a belt. A mark on the belt side reads: H. B. BECKER. "H.B. Becker" written in gold ink ...
This spiral-bound manual has a green and white cover. It describes the use of the HP-55 programmable handheld electronic calculator. This version is dated February 1975. Compare with a slightly ...
This twenty-two-page spiral-bound booklet gives basic information about the HP-45 handheld electronic calculator. It fits in the carrying pouch for the calculator. For the calculator, see 2004.3053.01 ...
The HP-35 was the first handheld electronic calculator to compute all the functions represented on a slide rule. It has a black plastic case and a total of thirty-five square or rectangular plastic ...
See more items in: Underwood & Underwood Glass Stereograph Collection, Underwood & Underwood Glass Stereograph Collection / Series 3: Underwood & Underwood glass plates / 3.2: Underwood and Underwood ...
See more items in: Donald J. Stubblebine Collection of Theater and Motion Picture Music and Ephemera, Donald J. Stubblebine Collection of Theater and Motion Picture Music and Ephemera / Series 2: ...
EXHIBITION UPDATE Last Chance to See Some Popular Objects! "Entertainment Nation”/ "Nación del espectáculo” Ray and Dagmar ...
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