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The basic process for making gas from coal used in the early 19th century remained essentially unchanged right through until the last coal gas works closed in the 1970s. Coal in a closed tube called a retort was heated in a furnace. The gasses given off – mainly hydrogen and carbon monoxide – passed through a water trap (“hydraulic main”) and were then cooled in a condenser, (illustrated) where tar and some other liquids were removed.

The basic process for making gas from coal used in the early 19th century remained essentially unchanged right through until the last coal gas works closed in the 1970s. Coal in a closed tube called a retort was heated in a furnace. The gasses given off – mainly hydrogen and carbon monoxide – passed through a water trap (“hydraulic main”) and were then cooled in a condenser, (illustrated) where tar and some other liquids were removed. Stock Photo

RMID:RJR2YC

Image details

Contributor:

De Luan / Alamy Stock Photo

Image ID:

RJR2YC

File size:

46.7 MB (2.6 MB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

5148 x 3174 px | 43.6 x 26.9 cm | 17.2 x 10.6 inches | 300dpi

Date taken:

6 February 2019

Location:

United Kingdom

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

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