Adapter apparatus mounted on a marking instrument to achieve mov
Adjustable roller support for cutting torches
Apparatus and method for drawing curves
Apparatus for marking preselected measurements
Apparatus of and method of use of a radius table and radial...
Apparatus of and method of use of a radius table and radial...
Apparatus of and method of use of a radius table and radial...
Automatic drafting device with adjusting aid
Automatic tool tilting apparatus for a scribe tool