Decisions of the Commissioner of Patents and of the United States courts in patent and trade-mark and copyright cases T Technology
VDI-Z : Zeitschrift des Vereins Deutscher Ingenieure für Maschinenbau und Metallbearbeitung T Technology
A complete history of the Boston fire department, including the fire-alarm service and the protective department, from 1630 to 1888 T Technology
Proceedings of the state convention, held at Rochester, January 19th, 1870, to consider measures for reforming the management and improving the trade of the New-York state canals T Technology