This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 Excerpt: ...of facts. Mr. Henderson"s retorts were not " originally adopted by the Broxburn Oil Company." They were originally adopted by the Oakburn Oil Company, and it was while in their employment, after they had worked both of Mr. W. Young"s retorts, as described above, under Mr. Henderson"s more immediate superintendence, that they, when Mr. Henderson proposed his improvements, adopted them so far as their extensions required. That was in 1874-5, and for the two following years Mr. Henderson remained in their employment, working his retorts along with Young"s and the old retort. When after that he went to the service of the Broxburn Company, he naturally was able to introduce further improvements, the result of experience. The Author"s comparison of the products from the rectification...