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HOW did PRUL REVERE HMG
Well, Paul being quite a smithy probably designed and forged his own contraption because in those days there were no stock installation brackets and every maker of Venetian Blinds invented his own way.
The first method of installing a Venetian blind was probably a wood block with a bole in it.
With the advent of the tilt bai-, LORENTZEN deslRncd and manufactured the ONOFF bracket.
Still later came the LEVOLOR VALOK bracket for a fascia board.
THE LEVOLOR TWO-WAY SAFETY BRACKET
Strong, rigid — extra heax'y oauae metal.
Even when unlocked, a blind cannot be -pulled out.
Never an accident. Then cannot be opened ivith the hand.
These extra heavy gauge steel installation brackets cannot be opened accidentally because of the interlock and because they are held by powerful spring tension and the weight of the blind. To open the locking cover, a screw driver or similar instrument must be inserted at point "A" shown ' above' and the cover released by a twist.
Even though, through the carelessness of an installer, the installation bracket is not locked, it is impossible to pull the blind from the brackets accidentally. The more you pull the tighter it holds.
The finest of all Venetian Blinds ... the LEVOLOR Audio Visual ... is installed in the nation's finest schools. So tight is the closure — so accurate the adjustment — that the instructor or director can choose the ambient light best suited to projector, subject or student activity. For more inforviation write to us at Levolor Lorentzen, Inc., 720 Monroe St., Hoboken, N. J.
Over 100 patents and refinements make Levolor Venetian Blinds better