A friend of mine e-mailed me asking for some help on how to draw a small compression spring. He's working on a detail sketch of a small latch and wanted to add the spring. The basic process is to
Compression and extension springs - Alcomex
Woodworker's Guide to Bending Wood: Techniques, Projects, and Expert Advice for Fine Woodworking (Fox Chapel Publishing): Benson, Jonathan: 9781565233607: : Books
Drawing a Compression Spring - FineWoodworking
Compression Spring - an overview
Whether you're marking dovetails, taking off an angle from an antique
Used Book in Good Condition
Woodworker's Guide to Bending Wood: Techniques, Projects, and Expert Advice for Fine Woodworking (Fox Chapel Publishing)
MV Garage: It's time to spring ahead! - Military Trader/Vehicles
Infant calming/sleep-aid and SIDS prevention device with drive system Patent Grant Karp , et al. No [Happiest Baby, Inc.]
Can softwood be mechanically pressed into 'hard' wood? - Quora