Patent for "a blind which acts both as a barrier to the progress of flames attacking windows and as a convenient shutter for the common purposes, and is adapted to be adjusted and securely locked in an open or closed position." (Lines 21-26) Includes instructions and illustrations.
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Titles
Main Title:
Improvement in Metallic Window-Blinds.
Added Title:
Metallic Window Blind.
Description
Patent for "a blind which acts both as a barrier to the progress of flames attacking windows and as a convenient shutter for the common purposes, and is adapted to be adjusted and securely locked in an open or closed position." (Lines 21-26) Includes instructions and illustrations.
Physical Description
[1], 1 p. : ill. ; 23 cm.
Notes
Specification forming part of Letters Patent No. 166,535, dated August 10, 1875; application filed June 1, 1875.
Mackrell, William S.Improvement in Metallic Window-Blinds.,
patent,
August 10, 1875;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth166463/:
accessed June 19, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.;
crediting UNT Libraries Government Documents Department.