Journal of the Franklin Institute of the State of Pennsylvania, Volume 80; Volume 110Franklin Institute, 1880 |
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HOWSON & SON'S OFFICES FOR PROCURING nited States and Foreign Patents AND PROSECUTING PATENT CAUSES . HENRY HOWSON , Engineer and Solicitor of Patents . CHARLES HOWSON , Attorney - at - Law and Counsel in Patent Cases . Principal Office ...
HOWSON & SON'S OFFICES FOR PROCURING nited States and Foreign Patents AND PROSECUTING PATENT CAUSES . HENRY HOWSON , Engineer and Solicitor of Patents . CHARLES HOWSON , Attorney - at - Law and Counsel in Patent Cases . Principal Office ...
Page 49
... patent of Henry Cort bears the date of 1784. Since that time the improvements in the process have mainly consisted in the replacement of sand by iron bottoms by Samuel Baldwyn Rogers in 1818 , and the still more recent substitution of ...
... patent of Henry Cort bears the date of 1784. Since that time the improvements in the process have mainly consisted in the replacement of sand by iron bottoms by Samuel Baldwyn Rogers in 1818 , and the still more recent substitution of ...
Page 57
... patent in the year 1873 , and full description of the processes employed by Mr. Wood have -appeared in our columns . More recently we had occasion to speak of a patent obtained by Mr. Frederick Ransome ( who for nearly forty years past ...
... patent in the year 1873 , and full description of the processes employed by Mr. Wood have -appeared in our columns . More recently we had occasion to speak of a patent obtained by Mr. Frederick Ransome ( who for nearly forty years past ...
Page 68
... Patents . Vols . 2 to 21 . January to May , 1879. And Disclaimers , etc. And Disclaimers , etc. No. 2378 of 1868 ; No. 1823 of 1869 ; No. 1491 of 1870 ; Nos . 2044 and 3217 of 1875 ; No. 3875 of 1876 ; Nos . 1110 , 2909 , 4169 and 4783 ...
... Patents . Vols . 2 to 21 . January to May , 1879. And Disclaimers , etc. And Disclaimers , etc. No. 2378 of 1868 ; No. 1823 of 1869 ; No. 1491 of 1870 ; Nos . 2044 and 3217 of 1875 ; No. 3875 of 1876 ; Nos . 1110 , 2909 , 4169 and 4783 ...
Page 70
... patent water filter , which combines a removable and cleans- able filter , with a charcoal filter and a porcelain - lined reservoir for filtered water and ice . By the combination of the two filters the grosser impurities are kept from ...
... patent water filter , which combines a removable and cleans- able filter , with a charcoal filter and a porcelain - lined reservoir for filtered water and ice . By the combination of the two filters the grosser impurities are kept from ...
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acid Anthracite apparatus battery beam boiler bone oil carbon cent coal gas compression constructed containing cubic CX.-(THIRD SERIES cylinder dephosphorization diameter domes driving wheels dy dz dynamo-electric effect electric light employed equal experiments feet fibres fluid Franklin Institute furnace give heating surface Henry horizontal horse-power increased ingot iron jute length liquid locomotive lxxx machine magnet manganese matter means mechanical ment metal metric miles per hour millimetre minutes molecules motion neptunite obtained ordinary oxide oxygen paraffine Patents Philadelphia phosphorus pig iron pins piston placed plate pounds per square pressure produced proportion pulleys quantity railway resistance revolutions per minute rollers screws selenium shaft shell side silica silicon slag sliver speed square inch steam dome steam engine steel strain stroke Sulphur temperature tion tons tubes valve vaporized velocity vertical vessel weight wire yacht