This book relates the story of two rack railways built about 1912 on the French side of Pyrenees.
73 plans (A3 size) show the track, steam and electrical engines and rolling stock which ran on these twin mountain railways.

Extract of one plan :

Places : Luchon Superbagères  et  Saint-Ignace La Rhune
Gauge type : Voie métrique à crémaillère Strub.
Locomotives :
   - Locomotive SLM Winterthur.
   - Machines électriques Société Anonyme Brown, Bovéri & Compagnie (BBC)