Margaret Burden Proudfit eBooks
eBooks di Margaret Burden Proudfit di Formato Pdf
Henry Burden: His Life, and a History of His Inventions, Compiled From the Public Press. E-book. Formato PDF
Margaret Burden Proudfit
edizioni Forgotten Books collana , 2017
In 1825 Mr. Burden received his first patent for making wrought nails and spikes, and in 1834 another patent for an improved machine for the purpose was issued to him. In the same year he took a patent for a furnace for heating bar-iron, and another for an improvement in the construction of steam boats. In the following...