|
|
|
|
|
 |
 |
|||
Apr 1924 - Four Steam-driven Air Compressors, each 3,000 lb. per min. of free air capacity delivered at 100 lb. per sq. in.
|
|
|
|
Apr 1924 - Four Steam-driven Air Compressors, each 3,000 lb. per min. of free air capacity delivered at 100 lb. per sq. in.
(from Colliery Engineering [April, 1924])
Image Reference: L-00373-02-0065-F22
Please note: We only have a low resolution copy of this image which is suitable only for display on this web page.
Contains public sector information licensed under the 
