Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 628
illustrated, Westest Dead Iront Panels are absolutely dead front, yet they are easily accessible for testing. Fittings are G. I^. standard and are mounted on Johns-Man- ville ebony asbestos wood. Plates and trim are in Special Crystalac Finish. All Westest Panels are approved by the National Board… … « »» WESTEST ELECTRIC mODUCTS 1264 Folsom Street San Francisco Plioiien: II em I or k 3874Hemlock 3875 Enclosed externnlly operatedSafety S w i i c li e s. KnifeSwitches, Metal Switch andCnt-ont Boxes, Safely PanelBoards. Catnltig nnd Priceii on Requeat
Architecture · Building · Construction industry · Engineering
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-621-368.webp)
