05
Feb
FC 366 prime numbers slide rule – Fantastic Vintage Finds
Sometimes items find me...I bought this slide rule from a bad picture. A picture taken from afar because there were 30+ slide rules in it. I mostly bought it because I noticed the cursor. Not only a s...
06
Aug
Collecting vintage: very CONCRETE slide rules
Concrete calculations
Some have only an extra scale and some are dedicated like the Faber Castell 3/11 which is a statistic slide rule with added scales for concrete. Yes concrete. The stuff that get...