Luchtschepen en ballons

From the year :	196?      Publisher :  De Alk, Alkmaar
Author(s) :	Drs. J. Boesman
ISBN-number :	903250715X
Remark :	This book is number 80 from the series "Alkenreeks"
Contents :	This book is probablebly from the early sixties. It handles therefore the history of ballooning up to the airships. The modern hot-air balloon didn't exciste at that time.