A novel toy windmill, ■ made by Mr A. Pearson, of Gonville,, nas-"'"led ; to his inventing a l level- crossing" signal, the. patents for which have been ai4 plied for. (says the "Wanganui Chronicle' ) The .signal, when, .in, motion, resembles closely, the ;rapid opening and closing of, scissor- blades, this effect being produced by.,the oscillation of two metal blades in opposite directions. The devise is operated-by electricity in .tb* same manner as the warning bells 'are m J}£: vfaes, are installed along the railway line to a. certain point. where' a, contact is made bv the approaching tram, thus .setting " the blades in; motion* ,-;.., . .'.■■••-•.
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Press, Volume LX, Issue 18235, 20 November 1924, Page 11
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103Untitled Press, Volume LX, Issue 18235, 20 November 1924, Page 11
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