Memorial of Samuel Raub, Jr., praying the purchase by the government of the right to use the "double self-acting safety-valves," invented by him, and the passage of a law requiring the use of the same on all steam boilers [electronic resource].
Raub, Samuel, Jr., praying Government to purchase right to use double self-acting safety-valves of same, and passage of law requiring use of on all steam-boilers
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Oct. 2008). Reuse except for individual research requires license from ProQuest, LLC. and AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 378 S.doc.168).