Designer's triangle
Designer's triangle
Device and method for bagging thin flexible members
Device and method for construction
Device and method for gauging an angled surface and setting...
Device and method to define angles on a workpiece
Device and method to define angles on a workpiece
Device for adjustment of cut angle
Device for connecting the arms of an angle
Device for enabling a single user to easily and accurately...
Device for linear drawing
Device for measuring an object across several axes
Device for measuring and teaching scales of units
Device for measuring lengths and conforming angles
Device for pre-ruling printing forms
Device for reading directly from a chart the heading to be follo
Device for recording events and measuring growth in an...
Device for supporting a building line reference
Device for the calculation of the characteristics of rectilinear
Device to facilitate the laying of masonry units