R.M. Hadley started making transformers and chokes in 1929, eventually evolving into a specialized maker of superquality iron for aerospace/military applications. Their website has a brief history, including an archive of designs back to 1933!! https://www.rmhco.com/spec-drawings.php I grew up playing with transformers and chokes, but had never been aware of Hadley until I found some in some vintage hardware I'm preparing to sell. WL _______________________________________________ Boatanchors mailing list [email protected] https://puck.nether.net/mailman/listinfo/boatanchors
