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
Digital image proportion analyzer
Digital protractor
Digital protractor
Disposable striking line dispenser
Dock leveler apparatus
Double cut edger
Drafting aid
Drafting apparatus
Drafting apparatus
Drafting apparatus