Illustrated catalogue and price list of bells, electric gas burners, batteries, push buttons ... (1899)
Novelty Electric Company · Novelty Electric Company · leaf 23
NOVELTY ELECTRIC COMPANY. 22 … BUZZERS Improved Iron Box The Lungen Buzzer Has pivoted armature and pla- tinized contact points. The base and cover are made of wrought metal, nickel-plated, cover is removable, same as shown in above cut of Eco Bell. Cat. No. 70!*. No. 0, | 770. " 1, * ;,, 771- " 2, 772. " 3, ........ . "'!■ "4…
Electricity · Wiring devices · Telephones
Internet Archive · Building Technology Heritage Library · 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-cu31924022817674-64-23.webp)
