Vintage collection: ALRO circular slide rules from Holland
This article focusses on Also circular slide rules. Slide rules are a field of collecting in their own right, read the article Great vintage collection : slide rules, for general information on this c...
Vintage Stuff Manmade: Toy soldiers different molds
Different types of molds / casting moulds
Around the 1970’s there were only a handful of mold makers, producing starter kits and series of molds. We will look into them more closely below:
Zinnbriga...