Speed layout stick
Spherical drawing template
Spring loaded clamping device for drafting parallel lines
Spring-loaded engraving toolholder
Stabilized T-square
Standard parallel rule with perspective drawing device
Stone scribe
Straight edge assembly
Straightedge
Straightedge supporting device for rail type drawing instrument
Stud alignment tool
Stud marking device
Stylus for sign-making machine
Support device, especially for eyeglass frames
Switch control of a master-slave power supply for preventing res