Zigzag rule | Article about zigzag rule by The Free Dictionary
zigzag rule[′zig‚zag ‚rül]
A folding ruler having pivoted sections that lock when the ruler is opened.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A folding rule whose sections are pivoted; stiff when fully opened.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
Available in 2-, 3-, 4-, 5-, 6- and 8-foot working lengths, the zigzag rule
made it much easier to measure length.
Today he concentrates on four categories: folding boxwood rules, zigzag rules
produced from 1900-35, tape measures and miscellaneous measurement tools (cigar measures, for instance).