[ 38]British patent 2219, September 22, 1856
[ 39]Joseph P. Lesley, The iron manufacturer's guide, New York, 1859, p. 34. Martien's name is spelled Marteen. A description of the furnace is given in Scientific American of February 11, 1854, (vol. 9, p. 169). In the patent interference proceedings referred to below, it was stated that the furnace was in successful operation in 1854
[ 40]U.S. patent 16690, February 22, 1857. A correspondent of the Mining Journal (1858, vol. 28, p. 713) states that Martien had not returned to England by October 1858
[ 41]U.S. Patent Office, Decision of Commissioner of Patents, dated May 26, 1859 in the matter of interference between the application of James M. Quimby and others ... and of Joseph Martien
[ 42]J. S. Jeans, op. cit. (footnote 5), p. 108. The process is not mentioned by James M. Swank, History of the manufacture of iron in all ages, Philadelphia, American Iron and Steel Association, 1892