What was it?
 Const.-Apparat. "Benzing"
Advertising cards and covers sometimes offer a glimpse at obscure creations that have otherwise been pretty much lost in time.  Here is an example:  the "Benzing," replete with a crank, clock, handle and patent number.
What was it?  How was it used?  Was it ever commercially marketed?
Milspe, Westfalen
21 Apr 1904
to
Luxembourg-Gare
22 Apr 1904
Corner card:
Carl Woeste
Gevelsberg i. W.
Vertreter.



 
