y are claimed to last from four to six times longer for the attendants who fill and take care of the buckets. A his queen, standing, as is well known, in the chapel founded than any other bar now in use. hose may be employed for conveying water to the buckets, by that sovereign under the protection… … BYARD'S PATENT ROTARY GRATES. idation of the tomb then ap shown. peared. It was nothing but the oxidation of the only pieces vious that a greater extent of grate surface is secured in a These grates have been subjected to a year's severe test in of iron which had been employed by the builders. All…
Patents · Iron · Antedated · Consists · Scientific American · Manufacture · Large number · Feet surface · Boring tool · Union iron · Patent office · Turbine water · American patent · Steam engine · Antedated november
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