Sold by Nat DesMarais Rare Books, ABAA, Portland, OR, U.S.A.
Association Member:
AbeBooks Seller since April 4, 2012
Seller rating 4 out of 5 stars
First edition. Octavo. 17, [1]pp. Illustrated Publisher's printed blue wrappers. lettered and decoration on front. Old crease where it was once folded but a very good copy. OCLC ONLY RECORDS 5 COPIES.This patent was especially useful for railway ties and telegraph poles both of which were in great demand in 1870 as the first transcontinental railway had just been completed and spurs were branching off every day and the telegraph was starting its heyday in America. The publisher visited Europe and found this method, patented by two scientists from Bonn, Prussia, and saw it was tremendously more effective than the one currently in use and brought back the process and advertised it in this booklet. Thilmany came to agreement with the patent holders in Prussia and was the first to market a successful method of preserving wood in this country."The first of these in point of date is that of Mr. W. Thilmany, who patented the use of a double solution, the first being that of sulphate of zinc, and the second, subsequently applied, a solution of chloride of barium, which, it is claimed, by combination with the first solution, changes it into an insoluble salt of sulphate of baryta. Experiments Nos. 27, 28 and 29 pertain to this process, and time will have to determine whether they prove successful. Chemists who have been consulted by your committee doubt whether it is possible for this chemical reaction to take place on the inside of the sap-ducts of the wood, many of which are only 1-200 of an inch in diameter" 9American Society Of Civil Engineers Report, 1885).Thilmany used sulphate of copper or sulphate of zinc and chloride of barium in treating ties for the Baltimore & Ohio, Wabash, New York, Pennsylvania & Ohio, Lake Shore & Michigan Southern, Cleveland & Pittsburgh and other railroads. More effective methods were soon devised but Thilmany was a pioneer in the field.
Seller Inventory # 75798
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