Crescent Wrench History

crescent wrench
(US) A open ended adjustable hand wrench originally produced by the Crescent Tool Co. Known as a C-WRENCH.
an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrench
An adjustable spanner or adjustable wrench is a spanner (wrench) with a "jaw" of adjustable width, allowing it to be used with different sizes of fastener head (nut, bolt, etc.). Compare to an ordinary spanner, which is of fixed size, and requires a different spanner for each fastener size.
An adjustable wrench designed to grip hexagonal nuts, with an adjusting screw fitted in the crescent-shaped head of the wrench

history
the aggregate of past events; "a critical time in the school's history"
The study of past events, particularly in human affairs
The whole series of past events connected with someone or something
The past considered as a whole
a record or narrative description of past events; "a history of France"; "he gave an inaccurate account of the plot to kill the president"; "the story of exposure to lead"
the discipline that records and interprets past events involving human beings; "he teaches Medieval history"; "history takes the long view"