Quick and Dirty Transformer Design and Construction

Quick and Dirty Transformer Design and Construction is a small book of48 pages. Basically it reprints two articles for transformer builders: 1. Design and Building Transformers, Technical Service Bureau Bulletin D-111, 1938, second edition. 2. Induction Coils by Charles Underhill, extracted from Standard Handbook For Electrical Engineers, 1922. Basic understanding of transformer design is a […]

Jackknife Lockpick Review

While I don’t often need lock-picks, I do find the ability to pick locks fascinating.  There are groups and conventions dedicated to the mechanical skill needed to bypass locking mechanisms. It take a keen mechanical mind to develop lock picking techniques. This Jackknife Lockpick is a really neat way to keep lock-picks readily available for […]

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