spiral spring

noun

Origin of spiral spring

First recorded in 1680–90

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Two others were made and sent to the Dauphin of France, where Huyghens had obtained a patent for spiral-spring watches.
The Old Furniture Book
N. Hudson Moore
With the people of court the tongue is the artery of their withered life, the spiral-spring and flag-feather of their souls.
Pearls of Thought
Maturin M. Ballou
He had lengthened out now with a spiral-spring, cork-screw twist in his body, his index finger serving as point.
Kennedy Square
F. Hopkinson Smith