The things you forgot you loved.
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◆ Did you have this?
👍 I had this💔 I wanted this1960s · school supplies
An analog calculating tool with sliding logarithmic scales, used by students and engineers to multiply, divide, and find roots before calculators existed.
“A hard wooden ruler with metal edge and inked measurement lines, used for drawing straight lines, measuring, and -- unofficially -- flicking rubber bands across the room.”
“A felt-covered wooden block used to wipe chalk off the blackboard, famously banged together outside to clear out a cloud of chalk dust.”
“A spinning model of the Earth mounted on a stand, used to teach geography long before digital maps took over.”
“A hand-crank pencil sharpener bolted to the classroom wall, cranked by hand until a perfect point (or a very short pencil) came out the other side.”