Scientific Instruments > Drawing Instruments

Compass / Dotting Pen by Halden of England

Item#: SDI219



Compass / Dotting Pen for Drawing Dotted Lines by Halden of England. This compass has an extension arm holding an ink pen that moves up and down by interaction with one of two cogwheel shaped drive wheels, leaving a mark at an exact distance from the previous mark as it moved across a piece of paper. This dotting pen set contains an original blue velvet and felt lined box and 2 templates for dotted lines. J. Halden & Co., London, Manchester and Newcastle, was established in 1877 in Rowsley Works, Reddish Manchester. The manufacturing company was famous for its ‘Halden Calculex Circular Slide Rule’ and various measuring, drawing and surveying instruments.