Légende
19th century illustration shows the muffle oven room in a steel spring factory. On the right side, you can see the large, vertical ovens. In the manufacture of steel springs, the annealing and subsequent hardening of the steel in such closed muffle furnaces was a decisive step for the strength of the nibs, authentic, high-resolution reproduction from a 19th century original, exact date of presentation unknown, historical
Date
05 août 2026
Crédit
Photo12/ImageBROKER/Sunny Celeste
Notre référence
BRK26H67_312
Model release
Non
Property release
Non
Licence
Libre de droits
Format disponible
145.6Mo (48.5Mo) / 74.0cm x 49.3cm / 8736 x 5824 (300dpi)