 | Royal Society of Arts (Great Britain) - 1806 - 748 páginas
...be of the walking wheel, nor capstan kind. 168. CARRIAGE TO CONVEY ENGINES FOR EXTINGUISHING FIRES. To the person who shall invent and produce to the Society a Machine or Carriage for conveying Engines for extinguishing Fires with greater ease and safety than any now in... | |
 | Royal Society of Arts (Great Britain) - 1818 - 998 páginas
...before the first Tuesday in March, 1819. RAISING THE BODIES OF PEUSONS WHO HAVE SUNK UNDER WATER. 165. To the person who shall invent and produce to the Society a cheap and Portable Drag, or other machine, superior to those now in use, for the purpose of taking... | |
 | 1805 - 632 páginas
...and such bounty or reward will be bestowed therein 115 they appcapto merit. I?.!. TRANSIT-INSTRUMENT. To the person who shall invent and produce to the Society a cheap and portable transit-instrument, which may easily be converted into a zenithlector, capable of... | |
 | James Stanier Clarke, Stephen Jones, John Jones - 1805 - 584 páginas
...110, 157, and 158, for the year 1804, 140. RAISING THE BODIES OF PERSONS wno HATE gum UNDER WATER. — To the person who shall invent and produce to the Society a cheap and portable drag, or other machine, superior to those now in use, for the purpose of taking... | |
 | William Nicholson - 1806 - 884 páginas
...offered hy the Society d"8< instituted in London, for the Encouragement of An«, Manufactures, &c. " To the person who shall invent and produce to the Society a cheap and portable drag, or other machine, superior to those now in use, fur the purpose of taking... | |
 | Royal Society of Arts (Great Britain) - 1807 - 864 páginas
...height to which it was raised, to be produced to the Society on or before the first of March, 1809. 40. PARING PLOUGH. To the person who shall invent and...the purpose of paring land preparatory to burning, superior to any hitherto known, or in use for such purpose, and to be worked by not more than one man... | |
 | 1809 - 760 páginas
...be delivered to the Society on or before the last Tnrfday in March, 1810. 113. IMPROVED VENTILATION. To the person who shall invent and produce to the Society a mode of permanently ventilating the apartments in hospitals, workhouses, and other crowded places,... | |
 | Royal Society of Arts (Great Britain) - 1812 - 640 páginas
...height to which it was raised, to be produced to the Society on or before the first of March, 1812. 45. PARING PLOUGH. To the person who shall invent and produce to the Society ;\ machine or plough for the purpose of paring land preparatory to burning, superior to any hitherto... | |
 | Royal Society of Arts (Great Britain) - 1815 - 778 páginas
...height to which it was raised, to be produced to the Society on or before the first of March, 1817. 47. PARING PLOUGH. To the person who shall invent and...produce to the Society a machine or plough. for the purpo-e of paring land preparatory to burning, superior to any hitherto known, or in use for such purpose,... | |
 | Royal Society of Arts (Great Britain) - 1821 - 852 páginas
...produced to the Society on or before the second Tuesday in March, 1823. Machine for Silk Weaving. 236. To the person who shall invent and produce to the Society a Machine to weave figured silks, for garments, shawls, handkerchiefs, &c. of patterns equally fine and rich... | |
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... gallons per hour, and the height to which it was raised, to be produced to the Society on or before the first of March, 1809. 
