Titles published by Academie Royal de Belgique:
Number of documents found: 1
- Fr. Keelhoff
Title: Theorie des courbes terminal du spiral - Academie Royal de Belgique - Memoires: Classe des Sciences - Deuxieme Serie _ Tome VI, Fasicule VIII -
SubTitle: [The theory of encurve for spiral hairspring]
Keywords: isochronism balancewheel
Other Keywords: hairspring endcurve
Edition: 1921, fasc 7
Page or pages: 68
BHM No: 11749
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