This is the first edition of a well-known publication by the well-known French automotive author/journalist Baudry de Saunier.
On about 400 pages he treats all aspects of cars and motoring. There is even a dictionary with translations into English and German.
Among these pages one finds several interesting ads: G. Richard, Eldin ..
Vintage Bosch switch (logo). Both connections are isolated from the case, so can be used for a current. Threads are fine. No cracks. Usually these Bosch push button switches have one contact connected to earth, so not possible to switch a current. Nickel is fine.Please see my other ads too.