Excerpt from the Transactions of the Mining and Geological Institute of India: The Calorific Value of Jharia Coals as calculated by Formulae

The author's personal copy of this vanishingly scarce research paper on Jharia coals, by the Principal of the Indian School of Mines, Charles Forrester. The personal copy of Charles Forrester, a graduate of Heriot Watt College, Edinburgh, Professor of Chemistry 1926, Vice-Principal 1932 and Principal 1936-1948 of the Indian School of Mines, Dhanbad.He wrote this vanishingly scarce paper originally issued for the Transactions of the Mining and Geological Institute of India, titled The Calorific Value of Jharia Coals as calculated by Formulae.Issued for Vol. XXVI of the Transactions.In the original wraps. With the author's ownership inscription to the front cover. With two additional loosely inserted plates, being duplicates of plates 28 and 29, with a label to no. 29 and taped fold-out figure to no. 28, likely added by the author.Collated, complete with six plates of diagrams.Read at the general meeting held at Dhanbad on the 23rd November, 1931. In the original wraps. With the author's ownership inscription to the front cover.Externally, wraps are toned, with marks and handling marks. Edge wear, with loss to the head and tail of the spine. Internally, firmly bound. Pages are bright and generally clean, with tide mark to the margins of the first and last few pages. Good.…