. Electrical world. FIG. 4.—COMPONENT P.\RTS OF MACHINE. readily removable. The armature is of the hollow drum type. Theinsulated laminae forming the core have three openings punchedtherein around the shaft hole for ventilating purposes, and a spacingspider is placed in the centre of the core for the purpose of formingair ducts connecting with the three channels adjacent to the coils are laid in the armature slots and are retainedtherein by means of hard wood wedges driven between notches inthe teeth of the armature core; consequently no band wires are usedfor retaining the co
. Electrical world. FIG. 4.—COMPONENT P.\RTS OF MACHINE. readily removable. The armature is of the hollow drum type. Theinsulated laminae forming the core have three openings punchedtherein around the shaft hole for ventilating purposes, and a spacingspider is placed in the centre of the core for the purpose of formingair ducts connecting with the three channels adjacent to the coils are laid in the armature slots and are retainedtherein by means of hard wood wedges driven between notches inthe teeth of the armature core; consequently no band wires are usedfor retaining the coils in position. The commutator is of unusuallylarge diameter and face, and is composed of hard drawn copper barsinsulated with mica, assembled in a heavy cast-iron shell, mountedon the armature spider. The C & C Company states that after a continuous run of 24 hoursat full load, no part of the machine will show a temperature rise of FIG. I.— CORE TRANSFORMER. The cable terminals are brought out from the cas
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
