Bar-Lock Advertising Inkwell/Penholder
with square vault light cover for inkwell. Embossed:
"BAR-LOCK · PAT'D OCT.13-1903 · MAY 24-1904 · 2/3 ACTUAL SIZE"
- Patents by William L. Caldwell
- Incorporated 8/17/1921: "American Bar-Lock Co., Queens, skylights,
$75,000; L. B. and D. E. Mulford, C. H. Law; attorneys, Caldwell &
Polhemus, 50 Church St."
—New York Times
Apr. 16, 1908.,
In re– Theater Bldg.
Messrs. Hardy & Ryan,
Does any portion of the building in
which you are interested require daylight? If so, why not get the
best and strongest?
SIDEWALK and FLOOR LIGHTS: Our patented
"Bar-Lock" Sidewalk and Floor Lights need no introduction. The
leading railroads, corporations, architects, engineers and builders
throughout the country have endorsed them. They have superseded all
other constructions. They are furnished in Porcelite, galvanized or
painted with patented "3"-Point Prisms or "Arch Plain" Lights and can
be installed by an ordinary cement man. They are made to any size
and shipped in a few days after receipt of order.
The Patented SKYLIGHT "3"-Point Prisms
or "Arch Plain" Light System with "Bar-Lock" Porcelite Wrought
Steel Construction containing cross steel channel bars
locked into the heavy supporting steel bars, is adapted to all forms
of overhead lighting and possesses advantages which give it
preference over all others.
Read the enclosed circular and if
interested, send for special catalogue, prices, etc.
|Dic. L. W. M.
||Yours very truly,
AMERICAN BAR-LOCK CO.,
L. W. Mulford,
|A FULL DESCRIPTION OF PATENTED
"BAR LOCK" VAULT LIGHTS, FLOOR
LIGHTS AND SKYLIGHTS WILL BE
FOUND IN "SWEETS INDEX."
ILLUMINATION AND DURABILITY
ARE ONLY OBTAINED BY USING THE NEW
WROUGHT STEEL CONSTRUCTION AND
Absolutely better and cheaper than any other construction
now known for Pavements, Basement Illumination,
Court Areas, Balconies, Porches, etc.
American Bar-Lock Co,
Philadelphia, ca.1908, 12p
JPG ~18MB: tar|zip|pdf
PNG ~95MB: tar|zip|pdf
Water-proof — Fire-proof — Burglar-Proof
Sound-proof—No Repairs—Unrestricted Light
NOTE THE HEAVY I-BEAM REINFORCEMENT
American Bar Lock Co
Philadelphia, ca.1915, 12p
JPG ~12MB: tar|zip|pdf
PNG ~93MB: tar|zip|pdf