Invention and Engineering
Canadian National 7470 is a preserved O-18-a class 0-6-0 "Switcher" type steam locomotive, built in 1921 by the Grand Trunk Railway (GT), it is preserved and operated by the Conway Scenic Railroad (CSRX) in North Conway, New Hampshire.
Flax in New Zealand.
History of manufactured fuel gases.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.