Question, Dr ranfft lists the entire family of each caliber. I wonder if the HS fitted on each member is of the same springness,width, thickness? That is; Providing the same beat and enough spring length, can the HS off of one be flown with the wheel of another member?
Thanks in advance. Joe
Thank you Gentleman.
So, BW and HS on some vintage and I gather all antique time pieces, were to be (in pair ) vibrated to the design beat . Two BW on same assembly line were dynamically different even though they weighted and looked the same.
If a HS for a rare collectible pieces is needed, I think one can be extracted from other( not so collectibles) members of the family and true would then need to be vibrated with the BW anew.
I have been finding hairsprings in the family, th