Could it be a protractor?
A set square is a tool for marking angles in engineering and technical drawing, etc. They come in different angles and may be adjustable.
Instrument, utensil, gizmo
No negative marking
compass
The marking tool used for dark colored fabrics is tailor's chalk.
tae
Could it be a protractor?
About 1886, if the marking is J. Stevens Arms & Tool Co.
box
Lazer marking is an alternative to ink or engraving done by tool bits. it offers a more detailed marking on the object by using a laser to burn into the object.
A sharp pencil or a scribe.
correcting
Odd-Leg Callipers
Locating and marking a point typically involves using a measuring tool, such as a tape measure or ruler, to determine the exact position of the point in relation to other reference points. Once the position is identified, a marking tool like chalk, paint, or a pencil is used to make the point visible for future reference or construction work. Accuracy and precision are key when locating and marking a point to ensure proper alignment and measurements.
Company name.
tatoo. marking, stamp