Fig. 2-Single-wire method for placing warming wires. A—No. 10, 11, or 12 standard wire gauge galvanised wires spaced 4½in. apart, 2¼in. in from the sides, and stapled to battens. B-2in. x ½in. wooden battens. C—Brass bolt connections. D—"Simmerstat" control switch. E—300 volt-ampere transformer (230 volts to 8 volts). F—Insulated copper leads.
Fig. 3 —The grid system of placing warming wires. Left —The method of tensioning Right—Plan of the system.
Permanent link to this item
https://paperspast.natlib.govt.nz/periodicals/NZJAG19530815.2.15.2
Bibliographic details
New Zealand Journal of Agriculture, Volume 87, Issue 2, 15 August 1953, Page 113
Word Count
69Fig. 2-Single-wire method for placing warming wires. A—No. 10, 11, or 12 standard wire gauge galvanised wires spaced 4½in. apart, 2¼in. in from the sides, and stapled to battens. B-2in. x ½in. wooden battens. C—Brass bolt connections. D—"Simmerstat" control switch. E—300 volt-ampere transformer (230 volts to 8 volts). F—Insulated copper leads. Fig. 3—The grid system of placing warming wires. Left—The method of tensioning Right—Plan of the system. New Zealand Journal of Agriculture, Volume 87, Issue 2, 15 August 1953, Page 113
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