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
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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)

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