Scientific American 180 SEPTEMBER 7, 1907. Expansion Bolts For Wood ae ‘All that the name implies” … oil, or an improp- Tiling, Emery Wheels and MOULDED and erly compounded CUT SPECIALTIES for any mechanical one, or the wrong oil and commercial device. WF VF vb VF Wh VF VF will wreck the finest engine in -short order. NEW YORK BELTING & / VACUUM PACKING COMPANY, Ltd. 9% & 93 Chambers Street, New…
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