1960s out of print German technical book on soldering electronics

Old 1963 out of print German language technical book on the use of soft solder (tin, lead and silver in different alloys) in electronics... Weichlöten in der Elektronik by Dr Gunther Laubmeyer and Wolfgang Kupke.

This has a vinyl soft binding and 124 pages with many photos and technical data. There is also about 15 pages of industry advertising at the back.

This is in nice condition.