Drawing instruments : Drafting in the machine
It serves the functions of a Tee square, set square, protractor and scale. They come in different sizes and a pattern called ‘Pantagraph’ type. It is fitted on the top left side, edge of the drafting board, mounted on an adjustable frame or table. It requires large area of working place. The angle of the drafting board can be adjusted by pedal operating system. There are two counter weights to balance the angular position of the board and the drafting head. It is more suitable for production drawing office.
Andrew Alpern Collection of Drawing Instruments, circa 1700-2004
This listing is for the Vintage Drafting Machine Scale Ruler made by Tacro, seen in the photos. Great Engineering Precise Drawing Tool comes in its
Vintage Drafting Ruler Machine Scale Tacro Engineering Precise Drawing Tool Case
Drawing instruments : Drafting in the machine
Technical drawing tool - Wikipedia
Vertical Drafting Machine at best price in Roorkee by G.S.
Drafting Supplies, Discount Drafting Equipment, Drafting Tools
Drafting machine - Wikipedia
Vintage Drafting Ruler Machine Scale Tacro Engineering Precise
National Museum of American History
