Book on Tunnelling. Simms, Frederick Walter. Practical Tunnelling. Explaining in detail, the setting out of the works; shaft sinking, and heading driving; ... the construction of the brickwork of tunnels: ... as exemplified by the particulars of the Blechingley and Saltwood Tunnels.London, Sold, for the Author, by Troughton and Simms [&c.], 1844. First edition. 12 engraved plates, (5 double page, 3 folding), most with some foxing, wood-engraved frontis., illustrations and diagrams in text, xii,174pp., 4to., recent 1/2 black calf and marbled boards.