. Electrical world. FIGS. I .\XD 2.—INCANDESCENT LIGHT CLUSTERS. tw-0 forms of large-sized clusters, one of which is made in 8, 10 and12 lights, and the other in from 15 to 20 lights. The latter form isillustrated herewith in connection with a large reflector. Fig. i. Thecut shows a 20-light cluster having 15 lights in the outer circle and 5lights in the inner circle. These clusters are made up of sheet metalshell with suitable openings, in which are attached porcelain re-ceptacles of special design. The receptacles have terminal platesinside of the shell and are -asily connected as desired. B


. Electrical world. FIGS. I .\XD 2.—INCANDESCENT LIGHT CLUSTERS. tw-0 forms of large-sized clusters, one of which is made in 8, 10 and12 lights, and the other in from 15 to 20 lights. The latter form isillustrated herewith in connection with a large reflector. Fig. i. Thecut shows a 20-light cluster having 15 lights in the outer circle and 5lights in the inner circle. These clusters are made up of sheet metalshell with suitable openings, in which are attached porcelain re-ceptacles of special design. The receptacles have terminal platesinside of the shell and are -asily connected as desired. Bv means of FIG. I.—REIXSUL.\T0R. FIG. 2.— IN 0PER.\TI0N. device is held in an upright position on the wire by means of a is then drawn back and forth from pole to pole, giving the wire auniform coat of insulation. This device has been brought out bythe insulating varnish department of the Standard Varnish Works,20 Broadway, New York Cit\-, and Mr. John C. Dolph has taken upits introductio


Size: 1848px × 1352px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883