. Electrical world. FIG. 2.—PLATE HEAD. 928 ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 20. carried to or taken from the active material. The design of thegrid is also such that it expands very evenly as the active materialincreases in volume. The grid can be cast in a simple and inex-pensive mould and a workman can cast several hundred medium-sized grids in a day. Fig. 2 illustrates a T-shaped head, which is cast integral withthe plates, and Fig. 3 shows how the plates are lined up ready to. FIG. 3.—PL.^TES LINED UP. be burned together with an oxyhydrogen tlame; a mould beingplaced around
. Electrical world. FIG. 2.—PLATE HEAD. 928 ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 20. carried to or taken from the active material. The design of thegrid is also such that it expands very evenly as the active materialincreases in volume. The grid can be cast in a simple and inex-pensive mould and a workman can cast several hundred medium-sized grids in a day. Fig. 2 illustrates a T-shaped head, which is cast integral withthe plates, and Fig. 3 shows how the plates are lined up ready to. FIG. 3.—PL.^TES LINED UP. be burned together with an oxyhydrogen tlame; a mould beingplaced around the joint and the lead melted all the way through soas to produce an absolutely perfect joint. The Frost grid has been adopted by the Columbus, O., Storage Bat-tery Company as their standard for plate construction, and theyhave already installed several large lighting plant batteries, withplates of the new design. Indiana State Independent Telephone Convention. The annual meeting of the Indiana Independent Mutual will be held in the City of Lafayette, Ind., June 28 and29. There will be able papers prepared and discussions upon topicsof vital interest to all independent telephone people. The leadingmanufacturers and supply men will make creditable displays ofall lines of goods. The headquarters will be at the Hotel will be a programme of entertainment such as trolley rides,vaudeville shows, music, an inspection of the electrical and mechan-ical departmen
Size: 1802px × 1386px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
