Two types of tools for checking common angles. The block on the top in the photo has its corners cut to common angles found on various types of chisels and plane blades. Plates screewed to the block create angled 'pockets' into which an edge is pushed to check the angle when grinding or inspecting. Made from aluminum, the gage can't knick or dull the blades being tested.
The small tools below the block are nothing more than chunks of 1/4" key stock with the ends formed to commonly encountered angles, eg 15, 30, 45, 60 degrees. It's amazing how often these come in handy, especially "sanity checks" on complicated setups. Their real advantage is their small size and consequent ability to get into places that normal angle gages simply won't fit.
Last edited by mklotz; 07-07-2017 at 04:04 PM.
Dandy, just dandy.
Length too short, then because the notches can't always find a reference plane, and best of all not very high at a half inch or so. More tricks than a monkey in a mile of grapevine, but they sit in the drawer for lack of love.
Marv's solution is just ideal. Take note old commercial entities - THIS is toolmaking and how she is done. I really like the bladed 'keys'. Think I'll order some W-1.
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