. Bulletin - United States National Museum. Science. '{f'';i^' (J'^^'^l^'^'J r^-^ Figure 8.—David Thomas. Lithograph by A. Newsam. (M. S. Henry. Hislory of the Lehigh Valley, 1860.) invented and patented a process of iron making using anthracite in Wales in ; In 1838, Crane pur- chased the American rights for a similar process from the executors of Dr. F. W. Geissenhainer, who had received a patent on December 19, 1833, after suc- cessfully using anthracite at Valley Furnace (Potts- ville). Crane was later granted an American patent for smelting iron with ; A
. Bulletin - United States National Museum. Science. '{f'';i^' (J'^^'^l^'^'J r^-^ Figure 8.—David Thomas. Lithograph by A. Newsam. (M. S. Henry. Hislory of the Lehigh Valley, 1860.) invented and patented a process of iron making using anthracite in Wales in ; In 1838, Crane pur- chased the American rights for a similar process from the executors of Dr. F. W. Geissenhainer, who had received a patent on December 19, 1833, after suc- cessfully using anthracite at Valley Furnace (Potts- ville). Crane was later granted an American patent for smelting iron with ; A blast furnace was built at Craneville (Catasau- cjua) and on July 4, 1840, the first .successful blast using coal was made.'*'' Anthracite furnaces were built throughout the East as a result of this (and later) experiments conducted by Thomas. " Walter R. Johnson, Notes on the Use of Anthracite in the Manufacture of Iron (Boston: C. C. Little and J. Brown, 1841). p. 12. " Richardson, op. cit., p. 102. ''Maiich Chunk Courier, July 25, 1840. Previously, an experimental water-powered furnace built in Mauch Chunk used Lehigh coal during 18"8-39. Mechanical problems forced the furnace to close down. Stack height Bosh diameter Number of tuyeres Water wheel diameter Temperature Hearth area Lehigh Crane Iron Furnace Furnace Design 40 feet 12 feet 3 12 feet 600° F. 3^2 feet square Capacity {week) 104 tons of iron ore 69^3 tons of anthracite 52 tons of limestone 50 tons of pig metal produced Business conditions were satisfactory for several years until a flood occurred on January 10, 1841.'"' As a result, coal could not be sent to market, and all the resources of the company had to be called up to restore the damage to the canal. A mortgage was negotiated on the coal lands in the vicinity of Mauch Chunk to obtain the funds required for reconstruction. The navigation was again opened to traffic on July 10, ; The managers acted with great speed dur
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