TRAMMEL for FSG 52
A tool composed of two heads, each with a point, mounted on and adjustable along a round rod or square bar. It is used to scribe large circles or to measure distances between points too great to be reached with ordinary dividers.
A tool composed of two heads, each with a point, mounted on and adjustable along a round rod or square bar. It is used to scribe large circles or to measure distances between points too great to be reached with ordinary dividers.