Boggie axle box of a former ETAT 1st class passenger car type A7 (transformed into a service vehicle). This rolling stock had a metallic 
frame and a wooden body. It was delivered to the ETAT railways between 1911 and 1921 <BR>
Grenelle Marchandises Station - 1978 

Photo by Joel TASMA (joel.tasma@wanadoo.fr)