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Robertson screw
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Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
Related terms
English
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A Robertson screw
Etymology
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From Canadian inventor
P. L. Robertson
(1879-1951).
Noun
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Robertson
screw
(
plural
Robertson screws
)
A type of screw having a
square
recess
in the head.
Related terms
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Robertson screwdriver
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