The story
From Canadian inventor P. L. Robertson (1879-1951).
Etymology from Wiktionary, CC BY-SA 4.0.
Robertson screwdriver
Today it means: A type of screwdriver having a square tip, designed to drive a Robertson screw. Full definition →
Today it means: A type of screwdriver having a square tip, designed to drive a Robertson screw. Full definition →
From Canadian inventor P. L. Robertson (1879-1951).
Etymology from Wiktionary, CC BY-SA 4.0.