Tunneling by machinery
Subtitle: description of perforators and plans of operations in mining and tunneling
By: devised by Herman Haupt
Contributors: Exposition universelle de 1867 à Paris
Publisher: H.G. Leisenring's steam printing house
Published: 1867
Place of publication: Philadelphia
Language: eng
Number of pages: 66
Subjects: Tunneling; Mining engineering
Notes: "Prepared in explanation of the machines for mining and tunneling, forwarded for exhibition at the Paris Universal Exposition of 1867, by Blanchard & McKean."