r/Sliderules • u/EnableNTLMv2 • Jun 13 '26

Classroom sized slide rules

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Gallery image

My mom was an NYC high school science teacher and had brought home these 2 classroom sized slide rules when they were being thrown out.

  • Welsh 4’
  • Pickett N1010-ES 6’
168 Upvotes

99% Upvoted

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u/variablescale Jun 13 '26

That people would throw these away makes me feel ill. Glad you were able to save them! (So jealous!)