old-twisted-iron construction, and is the sec- thoroughly set, the turnbuckles on the mold are let tachment shown in our illustrations. ond of its kind in this country; the first, a chimney out, leaving the mold free to be raised by means of At opposite sides of the trolley-pole guards are ar- 150… … are joined at every filling, making a series of continu- Twisted rectangular bars are used for the reason'that AN IMPROVED TROLLEY-POLE GUARD. ous bars from the base to the top of the chimney. the spiral ribs formed upon the iron make a continu- The operation is continued each succeeding day, the…
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