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from spydersden

Modern Antiques That Today’s Kids Probably Have Never Used

Rechenschieber -I never figured this out !!! - ich auch nicht :)

3
from eBay

Vintage Keuffel & Esser K & E Polyphase Slide Rule Original Case

Vintage Keuffel & Esser K & E Polyphase Slide Rule Original Case FREE…

Nuclear Slide Rules #infographic

Nuclear Slide Rules #infographic

66
8

Great Freebie posters for select a book to read at the correct level. recommended by Charlotte's Clips http://pinterest.com/kindkids/

1.3k
84
1

Marguerite Duras " Ecrire "

13
2

Mr. President, I’m not saying we won’t get our hair mussed. I do... - but does it float

5

Vintage SEIKO 6138-7000 " Chronograph Automatic " Slide Rule - February 1972.

18
1
from Jon Delorey

Slide Rules, Nomographs, and Calculators

Smith Chart slide rule

13
2

hongice, aphhongkong, aphiceland, hetalia

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