Description
The use of an optical contour projector for measuring the thickness of finish on screw threads is described. The apparatus is diagramed, testing method described, and sample shadowgraphs presented.
Measuring the plating of screw threads
$15.00
The use of an optical contour projector for measuring the thickness of finish on screw threads is described. The apparatus is diagramed, testing method described, and sample shadowgraphs presented.
Additional information
| Author(s) | Erickson, E.C., Bell Telephone Labs Inc. |
|---|---|
| Publication/Event/Pages | Wire & Wire Products12(3): 144-145 |
| Year | 1937 |
