Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 113
late of the style known as * chequered, for placing over anopening such as a valve-pit, manhole, etc., may be drawn. Thechequers, or raised pieces, are to prevent slipping, and give a firmfoothold when passing over it. In this case only one corner ofthe plate is shown on the drawing; the remainder… … SECTIONON UN? TtB Fig. 177.—Chequered Plate. dimensions fshow that the whole plate is 3 ft. 9 in. by 2 ft. 11 in.,and calculation will show that this will allow for six chequers inlength and eight in width. Another method sometimes adoptedis to show the outline of the whole plate to a small scale,…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-339-136.webp)
