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More Light

One Third Size
LIGHT VAULTS
PROVIDE VALUABLE SPACE
The BEST Pavement Illumination is
BAR-LOCK
"3"-POINT PRISM OR "ARCH PLAIN" LIGHTS
100 PER CENT ADDED LIGHT
For further information or the name of representative in your section, address:
AMERICAN BAR-LOCK COMPANY
Offices and Works: 26th STREET and PENNSYLVANIA AVENUE, PHILADELPHIA, PA.

CAUTION—ANY PERSON USING OR SELLING ANY INFRINGEMENT OF THIS COMPANY'S PATENTS WILL BE PROMPTLY PROSECUTED.

The National Builder, December 1905