Antique 1920s Wing Divider Caliper WM Johnson Newark NJ Tempered Steel Tool
The product is an antique 1920s wing divider caliper made by WM Johnson Inc in Newark, NJ. This tool is crafted from tempered steel and is a precision instrument designed for metalworking inspection and measurement. Manufactured in the United States, this wing divider caliper embodies quality craftsmanship and historical significance in the field of metalworking tools.