. Polk's Indianapolis (Marion County, Ind.) city directory, 1878. ber 27, 1870. Patent of 1859 exten-ded October 4, 1874. SAW AND FILE-PROOF PRISON GRATING. PATENDED MAY 9, 1871, The advantage of this grating is the perfect security offered over the old method of commoniron window grates; however large the bars, they could be easily sawed off, and the larger the barsthe more obstruction to light and ventilation. This grating can be used for prison doors and cor-ridor partitions. For further particulars, Address, EDWIN MAY, OFFICE NO, 51 and 52 Fletcher & Sharpes Block, Indianapolis, Ind. R. L
. Polk's Indianapolis (Marion County, Ind.) city directory, 1878. ber 27, 1870. Patent of 1859 exten-ded October 4, 1874. SAW AND FILE-PROOF PRISON GRATING. PATENDED MAY 9, 1871, The advantage of this grating is the perfect security offered over the old method of commoniron window grates; however large the bars, they could be easily sawed off, and the larger the barsthe more obstruction to light and ventilation. This grating can be used for prison doors and cor-ridor partitions. For further particulars, Address, EDWIN MAY, OFFICE NO, 51 and 52 Fletcher & Sharpes Block, Indianapolis, Ind. R. L POLK & INDIANAPOLIS DIRECTORY FOR 1878. Embracing a Complete Alphabetical List of Business Firms and Private Citi-zens, a Directory of the City, County Officers, Churches and PublicSchools, Benevolent, Literary and other Associations, Banks,Incorporated Institutions, United States Government,Indiana State Government, United States Sen- •ate, House of Representatives, Etc. to which is added a Complete Classified Business Directory of INDIANAPOLIS, 1878. balph l, polk. COMPILED AND PUBLISHED BY R. L. POLK & CO. sentinel book and job rooms, JACOB W. WEEKS,
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