Compressed Air Mine Locomotive. (Messrs. The H. K. Porter Co., U.S.A., Engineers.) 1899. Article with Two Illustrations. £12.00 Quantity: at £12.00 each Add To Basket 1 in stock. For Sale is a Full Page from "The Engineer, January 27th, 1899," showing an Article with Two Illustrations for a "Compressed Air Mine Locomotive."(Messrs. The H. K. Porter Co., U.S.A., Engineers.)Also on this page is an Article for a "Clarke's Field Carriage Brake."Condition is Very Good.