Rock Blasting A Practical Treatise on the Means Employed in Blasting Rocks for Industrial Purposes

The Engineer's Sketch-Book Of Mechanical Movements, Devices, Appliances, Contrivances And Details Employed In The Design And Construction Of Machinery For Every Purpose Classified & Arranged For Reference For The Use Of Engineers, Mechanical Draughtsmen,

Typesetting A primer of information about working at the case, justifying, spacing, correcting, making-up, and other operations employed in setting type by hand