technology from "The Universal Mining Code for the use of mining companies, mining engineers ... The Code words specially selected to comply with the Telegraph Convention rules, by G. Ager"

This image has been taken from scan 000447 from "The Universal Mining Code for the use of mining companies, mining engineers ... The Code words specially selected to comply with the Telegraph Convention rules, by G. Ager". The title and subject terms of this image have been generated from tags, created by users of the British Library's flickr photostream.