Guide and souvenir of Detroit .. . ple passageway all around for the night andday patrol. In their construction, no expense was spared to makethem as positively fire and burglar proof as money andthe skill and ingenuity of the best manufacturers andmechanics could erect. The foundation is solid masonry and concrete. Thewalls of the vaults are five feet thick, built of best qualitybrick, laid in cement, and every course tied with strips ofiron. The brick walls are lined inside with railroad iron, eachrail being securely fastened with strong screws. Insidethe rail the vaults are lined with alter
Guide and souvenir of Detroit .. . ple passageway all around for the night andday patrol. In their construction, no expense was spared to makethem as positively fire and burglar proof as money andthe skill and ingenuity of the best manufacturers andmechanics could erect. The foundation is solid masonry and concrete. Thewalls of the vaults are five feet thick, built of best qualitybrick, laid in cement, and every course tied with strips ofiron. The brick walls are lined inside with railroad iron, eachrail being securely fastened with strong screws. Insidethe rail the vaults are lined with alternate layers of steeland iron, three inches in thickness, fastened by conicalbolts, with heavy nuts inside. The steel plates are so pre-pared that they are positively drill proof, retaining tough-ness and ductility that render them equal proof againstthe sledge and wedge. The steel plates are bent at rightangles, securely binding the corners. The vault doors aresecured by Sargents combination and chronometer locks. 88 tin,. iiiyti!. H ISTORY DETROIT AND MICHIGAN By SILAS FARMER, HISTORIOGRAPHER OF THE CITY OF DETROIT. (By Appointment under Ordinance of 1813.) Membei of American Historical Association, Webster Historical Society,Michigan Pioneer Society, etc. It contains 1,072 pages, in double columns, quarto form, with648 illustrations, consisting of fac-similes of a vjiriety of Old Rec-ords, Documents, Hand-bills, Noted Localities, representations ofSeals, Monuments, Banners, and relics of various kinds, togetherwith a large number of maps and plans. In range of subject and fullness of treatment, it is the mostcomplete local history published in America. Fully one-thirdof the volume is devoted to iiintters that relate to Michiganin general, and the information is new and singularlyinteresting. In every library the list of volumes on Michigan andDetroit is particularly meagre; this history will amplyfill this want, and as a work of reference, no other volumecan take its place Ov
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidguidesouvenirofd00farm
