Bidspirit auction | SIEMENS SCHWEISS-MASCHINEN (2)

SIEMENS SCHWEISS-MASCHINEN (2) - Tin sign, embossed and lithographed, GER around 1930, 69 x 49 cm / 27.2 x 19.3 in, depiction of an ancient welding machine with a warning notice, a kind of occupational safety sign that was provided to relevant industries at the time, rare