Links to older projects, Youtube videos
My first Galileo Clock on Youtube
YouTube video about the Verge And Foliot Clock
YouTube video about the Huygens Clock
YouTube video about a Detached Pin Escapement Model
YouTube video about the Full Clock Arduino and stepper
Books
Many eBooks in public domain, old but still of great value, a short selection of some that I have read
Clock and Watch Escapement Mechanics, by Mark V. Headrick
How to design a clock and/or a watch escapement, easy to follow step by step
Link to eBook: http://www.abbeyclock.com/escpdf.html
Traité d’horlogerie moderne: théorique et pratique, De Claude Saunier, 1869
Détaillé et technique, montres et horloges, échappement, engrenages et moteurs, pendules et balancier
A Treatise on Modern Horology in Theory and Practice · Claudius Saunier · 1887
A complete study of watches and clocks, the escapements, gears and motors, pendulum and balance wheel
https://www.google.com/books/edition/A_Treatise_on_Modern_Horology_in_Theory/1yVYAAAAYAAJ?hl=en
Les Gravures de bonnes qualités, Illustrations in a greater quality
https://www.cliniquehorlogere.ch/fr/news/traite-horlogerie-par-saunier.html
On the construction of a simple and mechanically perfect watch, Moritz Grossman, 1880
http://www.watkinsr.id.au/grossman.html
A practical and theoretical treatise on the detached lever escapement for watches and time pieces, Moritz Grossman, 1884
https://archive.org/details/practicaltheoret00gros/page/34/mode/2up
Spiral, hairsprings, etc
The Art of Making Watch Mainsprings, Repeater Springs and Balance Springs, William Blakey, 1780
A detailed description of how watch springs were made in the 18th century
http://www.watkinsr.id.au/blakey.html
The Watch & Clock Makers’ Handbook, Dictionary and Guide, Frederick James Britten, 1896
Balance spring making and more
https://archive.org/details/watchclockmaker01britgoog/page/n34/mode/2up
Mémoire sur le spiral réglant des chronomètres et des montres, Phillips, E, 1860
The math of the hairspring, and of the shape of the end curves
http://sites.mathdoc.fr/JMPA/PDF/JMPA_1860_2_5_A27_0.pdf
Others Book List:
https://theindex.nawcc.org/OnlineBooks.php
https://mb.nawcc.org/threads/digitized-books-related-to-watches-and-watchmaking.53214