Illinois Society of Architects · Chicago · leaf 375
r the appara-tus being installed is new or used. Whereapparatus is moved from one location toanother within the same building and forthe same owner, or where a concern movesfrom one location to another, this rule shallnot apply, provided the apparatus has beenpreviously approved by the department… … J This new and radically differentShallow Flush Toggle Switch re-cently perfected by Hubbell isnotable for many individual fea-tures and improvements. HUBBELL ALL BAKELITE ENCLOSED Toggle Switches Electrically and MechanicallyPerfect in Design—Approved A up inother
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-64-22.webp)
