Wore out a Dial Caliper

These folks have been around a long time.
The website now includes ads but the content is same unvarnished as it was before.
Dial Calipers 011: Dial Calipers & Digital Calipers
"While dials may be an advantage, it causes all sorts of problems. For one, all those gears and parts will eventually malfunction. Count on it."

General Index: Long Island Indicator Service