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or staggered rows of light openings, each of which openings has a kerb around its upper and its lower ends that projects, respectively, above and below the upper and lower sides of the body, glass lenses secured within such light openings so as to be entirely inclosed on their sides by the kerbs thereof, and cement, or other like material placed in cavities formed upon the upper side of such metal body by the kerbs provided on its upper side and an

upwardly extending kerb formed on its edges, substantially as and for the purpose shown.     In testimony that I claim the foregoing I have hereunto set my hand this 8th day of January, A. D. 1889. JACOB JACOBS. Witnesses:     GEO. W. TICE,     DAVID G. BUCHING.