Langley's San Francisco directory for the year commencing .. . use or in process of construction. This invention commends itself to the public for its efficiency inclosing all draft in Elevator Shafts, by which danger of fire is pre-vented, and for its adaptation to all elevators. For its security to life of employees or firemen in buildings, eitherday or night, the Shutter, being automatic, is opened and locked by theElevator Cage in its ascent or descent, shutting off each floor efiectually,so that accident is impossible. Its adoption is recommended by theChief Engineer of the San Francisco
Langley's San Francisco directory for the year commencing .. . use or in process of construction. This invention commends itself to the public for its efficiency inclosing all draft in Elevator Shafts, by which danger of fire is pre-vented, and for its adaptation to all elevators. For its security to life of employees or firemen in buildings, eitherday or night, the Shutter, being automatic, is opened and locked by theElevator Cage in its ascent or descent, shutting off each floor efiectually,so that accident is impossible. Its adoption is recommended by theChief Engineer of the San Francisco Fire Department and the Super-vising Architect of the City, the Superintendent of the UnderwritersFire Patrol and its Board of Directors, by the leading Insurance Com-panies, and principal architects of San Francisco, who have examinedand witnessed the Shutter now in operation. For Specifications and particulars, apply to H. W. SEVERANCE, Agent, Office: 218 California St., Room 4. Patented Dec. 21, 1875. Reeds Sectional Boiltjr; and I Steam-Pipe I. L. MERRELL, AGE»T FOE WIRE BOUND
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Keywords: ., bookcentury1800, bookdecade1880, booksubje, booksubjectindustries
