Museum on Main
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Slide rule

Before the widespread adoption of the pocket electronic scientific calculator, engineers and scientists used this handy device to assist them with complex calculations. Marked in logarithmic scales, the frame, slide and runner can be adjusted to perform multiplication, division, trigonometric functions, or other calculations.
Picture
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Museum on Main 603 Main Street Pleasanton, CA 94566   --   925.462.2766   --   www.museumonmain.org
  • Home
  • Visit/Contact
    • Hours and Directions
  • Education/Programs
    • Ed Kinney Series: An Evening With...
    • Charles Huff Free Historical Walking Tours
    • Harrington Free Art Walks
    • A Discussion With...
    • Student Programs
    • Scout Programs
    • Family Programs >
      • Paint and Sip
    • Adult Programs
  • Exhibits/Collections
    • Exhibits >
      • Imagination Expressed 2025
      • Growing Pleasanton
    • History of Pleasanton
    • Video - Museum on Main Moments
    • Collections
    • Research >
      • Newspaper Research
    • Photographs
    • Things to Donate?
  • Events
    • Ghost Walk
    • Wines & Valentines
    • Amador Centennial Reception
  • Join/Donate
    • Donate
    • Membership
    • Volunteer
    • Living History Program
  • About
    • Mission & History
    • The Values of History
    • EDI Statement
    • Board of Directors
    • Administrative Documents
    • Contact
    • Press Room
  • Blog
  • Donateold
  • Paint and Sip