Caption
Historical lesson board on the industrial production of nitric acid from atmospheric nitrogen. It explains the chemical process and the technical equipment involved, authentic, digitally restored reproduction from a 19th century original, exact date of presentation unknown, historical
Date
Feb 17, 2026
Credit line
Photo12/imageBROKER/Sunny Celeste
Reference
BRK26B55_489
Model release
No
Property release
No
License type
Royalty free
Available size
470.1Mb (25.2Mb) / 49.1in x 37.2in / 14736 x 11151 (300dpi)