Journal of the Franklin InstituteFranklin Institute, 1851 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 61
... force were affected in passing from one to the other during their course from pole to pole , the differential action being in or- dinary cases between the body experimented with and the medium sur- rounding it and the poles . A method ...
... force were affected in passing from one to the other during their course from pole to pole , the differential action being in or- dinary cases between the body experimented with and the medium sur- rounding it and the poles . A method ...
Page 62
... force to the space so occupied in proportion to the quantity of matter employed ; and now thinking that the point of zero is well determined , he concludes to use the word magnetic as a general term , and distiguish the two classes of ...
... force to the space so occupied in proportion to the quantity of matter employed ; and now thinking that the point of zero is well determined , he concludes to use the word magnetic as a general term , and distiguish the two classes of ...
Page 87
... force . Whether this be so or not , we cannot pretend to say ; but if the bridge had been properly constructed , with a cast iron girder 41 ft . 6 in . long , and of the great depth of 4 ft . 6 in . , it ought not to have broken down ...
... force . Whether this be so or not , we cannot pretend to say ; but if the bridge had been properly constructed , with a cast iron girder 41 ft . 6 in . long , and of the great depth of 4 ft . 6 in . , it ought not to have broken down ...
Page 98
... force whatever , thus locking or fastening the lower sash down with absolute safety , while the knob or handle serves to turn the cam back when it is de- sired to raise the sash , in the first instance , and to let it down at all times ...
... force whatever , thus locking or fastening the lower sash down with absolute safety , while the knob or handle serves to turn the cam back when it is de- sired to raise the sash , in the first instance , and to let it down at all times ...
Page 128
... force , created a slow but certain strain upon the angle iron , which ulti- mately destroyed its texture , and rupture ensued . The boilers were originally supplied with water by self - acting jackheads or columns of water , at the ...
... force , created a slow but certain strain upon the angle iron , which ulti- mately destroyed its texture , and rupture ensued . The boilers were originally supplied with water by self - acting jackheads or columns of water , at the ...
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action angle apparatus applied arrangement attached axis bituminous blades blast blast furnace boiler carriage cast iron cent centre centrifugal force chord circuit claim therein coal combination condenser connected connexion construction Coulaine cubic curved cutters cylinder deflexion diameter distance effect electric telegraph electricity engine equal experiments feet flues force frame Franklin Institute furnace generatrix gutta percha heat Improvement increased indicator diagrams invention consists Journal length lever machine magnet manner mastic material means metal miles motion operation paddle passing patent pipe piston placed plane plate present pressure produced propeller proportion pump purpose rails railway revolutions per minute roadway rollers screw shaft side slide spring square inch steam steam engine steamers Stoves stroke substantially as described surface tangential angle telegraph temperature thickness tion tons tube valve velocity vertical vessel weight wheel wire wrought iron York