... Standard For Counterbalanced Elevator Doors ... Ed. Of December, 1915
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Book Overview
This volume contains the December 1915 edition of the "... Standard For Counterbalanced Elevator Doors ..." prepared by Underwriters' Laboratories. It offers a detailed look at the specifications and regulations governing the construction and maintenance of counterbalanced elevator doors during the early 20th century.
This historical document is invaluable for engineers, architects, and historians interested in the evolution of safety standards and industrial practices. It provides a snapshot of the technological landscape and regulatory environment of the time, shedding light on the concerns and solutions related to elevator safety.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.
This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.
As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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