575. Electrode from a Violet Ray quack medical device
576. Tsuba, hand guard for a Japanese sword
577. Vintage toaster
578. Rockwell hardness tester, for checking hardened steel as it is graduated in Rockwell "C" range. The vees machined in the bottom allow for testing shafts or round objects.
579. Cleaning jag for a .45 caliber barrel
580. Roofing tongs
576. Tsuba, hand guard for a Japanese sword
577. Vintage toaster
578. Rockwell hardness tester, for checking hardened steel as it is graduated in Rockwell "C" range. The vees machined in the bottom allow for testing shafts or round objects.
579. Cleaning jag for a .45 caliber barrel
580. Roofing tongs