Photo of Peter Robertson
Peter Lymburner Robertson (1879-1951) is a Canadian inventor of the square-drive screw, first produced in his Milton, Ontario factory in 1908. Peter also wrote The Gold Standard, a book advocating gold-backed money.
Discussions about Canada
What makes you a Canadian?
Jun 17th, 2015
WATCH: 'Jeopardy!' contestant fails at Canadian geography
Jun 4th, 2015
Visit Canada - 5 Things You Will Love & Hate About Canada
May 4th, 2015
moving to Montreal
Mar 2nd, 2015
Going to College in Canada, Need LOTS of Clarification
Sep 20th, 2014
Want to know about Canada
Aug 19th, 2014
looking for help with expressions from Saskatchewan and Alberta
Jul 9th, 2014
Canadian Content Interactive Media © 2012. All rights reserved.