Electronic drafting instrument with digital readout of displacem
Enclosure for electrical data input apparatus
Guide bar
Guide clamp
Guide clamp
Guide clamp
Guide for hand-held power tools
Guide rail for a drawing machine carriage
Hand guide for painters or draftsmen
Head of universal parallel ruler
Head supporting device for universal parallel ruler
Head supporting device for universal parallel ruler
Heading and distance measuring device and method
Holding and guiding device for traveling-carriage drafting machi
Indicia alignment device
Inventory control board
Layout boards
Lettering template
Lithographic production planning system
Map reading and plotting instrument