
VI. Method Of Determining Phosphorus In Phosphor Bronze
March 1894
GB

VII. Method Of Determining Manganese In Steel
April 1894
GB

VIII. Method Of Determining Silicon In Steel
July 1894
GB

IX. Method Of Determining Tin In Phosphor Bronze
August 1894
GB

X. Method Of Determining Copper And Lead In Phosphor-Bronze
October 1894
GB

XI. Method Of Determining Iron In Commercial Spelter
November 1894
GB
I'm always looking for Pennsylvania documents to add to this archive! If you have anything that you think might be of interest to fellow PRR enthusiasts, let me know about it and we can arrange to get it scanned and added to the site!