old Ridgely Trimmer Co edge trimming/cutting tool for wallpaper etc

Vintage old edge trimming or cutting tool made by Ridgely Trimmer Co of Springfield, Ohio for trimming wallpaper, linoleum, flooring, wood veneer etc.. It is made of a cast aluminum alloy with a steel cutting wheel. It is marked with a US Patent number that dates from 1936.

This tool measures 7" long and about 2 1/8" across the cutting wheel.