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Safety Lamp-Burner.
Patent for a safety lamp-burner, which extinguishes itself when the lamp is tipped over.
Date:
March 24, 1914
Creator:
Witmond, Christopher B. J.
Object Type:
Patent
System:
The Portal to Texas History
Weber's map of San Diego County.
Map shows township grid, railroads, canals, cities and towns, wagon roads, and trails for San Diego County and portions of adjacent Riverside County; streets names, neighborhoods, expedition grounds and buildings, electric railroads, military facilities, wharves, jetties, and the Bay of San Diego for the City of San Diego. Includes legend. Relief shown by hachures. Scale [ca. 1:327,000].
Date:
1914
Creator:
Punnett Brothers
Object Type:
Map
System:
The Portal to Texas History