The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 253
# 1848.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL, 225 THE JACQUARD PUNCHING MACHINE. ( With two Engravings, Plates X. and XI.) Patent Maehine fur Perforating Metal Plates, such as are usedfar Steam-Boilers, tSc / and employed for Punching the Plates of theTubular Bridge at Conway; made, at the…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-90-36.webp)
