1592953422000 1312632483000 term-50194 1616541308754 1312632544000 1616290199401 adlib fitz-online adlib-term-50194 857587c5-888b-356d-887f-cff1384eb0bd 2 1 scope note Long, fine, usually spiral, springs used to determine the time of oscillation of balance wheels of timepieces. reference term-46101 adlib-term-46101 7a96fc27-e417-3e08-9543-d75dc8631aa2 hairspring V.PJ.AFU.ALO.CFS.BIQ.AFU.ALO.AFU 1 code V.PJ.AFU.ALO.CFS.BIQ.AFU.ALO.AFU 1 hairsprings reference term-50193 adlib-term-50193 90f05b15-a90b-3b44-a48c-68e28f4fd2ce balance springs hairsprings term