Hairspring is a 10 letter English word. It's valid Words with friends word worth 18 points.
You can make 386 anagrams from letters in hairspring (aghiinprrs).
First recorded in 1820-30; hair + spring
New balance staff, two balance screws changed, hairspring trued and cleaned.
If this is a balance pivot, be very careful to see that your balance is true and poised before putting on hairspring and roller.
Presume the existence of a vertical line through the center of hairspring and collet as shown at "A B" Fig. 9.
When rust begins its attack upon any point of a hairspring there will be a constant loss in time until its advance is stopped.
The complete balance and spring can be inserted and the pivots can be refinished without disturbing the roller or hairspring.
The gradual weakening or loss of elastic force of the hairspring is also a factor to be considered.
hairspring concave or convex in form instead of perfectly level.8.
The hairspring however, was found to be pinned at the slow pendant up point as per illustration in Fig. 22.
The hairspring should be removed and the pivots known to be straight and polished before testing.
Original truing of the hairspring is made necessary by the fact of attaching the collet to its center.