Antique Kirby & Bros. Boxwood and Brass Rope Gauge Measure studio There is a good amount

There is a good amount of scratching to the surface and a little roughness around a few edges as pictured--signifiying that this is a tool meant to be used

but that's about it

Found in Massachusetts but I have no idea of its origins

set up marbles with only the middle hole empty

I believe they were intended for children

Antique Kirby & Bros. Boxwood and Brass Rope Gauge Measure studio There is a good amountI always have an eye out for beautiful antique rulers of various sorts, but had never come across one of these before (and can't find an exact match for this one out there now) providing weights for wire and hemp rope based on diameter and circumference and thus useful for determining breaking loads. Late ish 19th century I believe, this one was produced by Kerby and Bros., Fulton Street, NYC, and sold by Sewall & Day Cordage Co., Commercial Street,