 | Meteorology - 1830 - 886 pages
...this machine to which to lay claim has very wisely been avoided. VOL. V.— No. 5 — MAY, 1880. 37 3. For a machine for Drilling Rocks for Blasting; John...plate, and consequently of the drill, at every lift The claim is to " the general principle contained in the foregoing description." 4. For an improvement... | |
 | Luke Hebert - 1831 - 368 pages
...the periphery of this plate an iron spindle crosses the frame ; upon this spindle are lifters,which, as it is turned by a crank, come in contact with the...Lubricator, for applying lubricating substances to thg inner surface of the Cylinder. BENJAMIN REEVES, Philadelphia, Pennsylvania, February 6. THE claim... | |
 | Luke Hebert - 1831 - 368 pages
...shaft; friction rollers are contained within the lifters, to cause them to slide easily upon the piate, and their action is so managed as to produce a small...Lubricator, for applying lubricating substances to tht inner surface of the Cy-linder. BENJAMIN REEVES, Philadelphia, Pennsylvania, 1'ebruary 6. THE claim... | |
 | Luke Hebert - Industrial arts - 1835 - 938 pages
...iron spindle crosses the frame ; upon this spindle arc lifters, which, as it is turned by a crunk, come in contact with the lower side of the plate,...plate, and consequently of the drill, at every lift." The term guarry is likewise given to a variety of neatly formed bricks, tiles, and stones, with very... | |
 | Luke Hebert - Industrial arts - 1836 - 942 pages
...the United States of America, which is thus described in the Journal i/ //.с Franklin Institute. " A frame is made, in the centre of which an iron shaft...plate, and consequently of the drill, at every lift." The term quarry is likewise given to a variety of neatly formed bricks, tiles, and stones, with very... | |
 | James Day - Railroads - 1839 - 238 pages
...by a crank, come in contact with the lower side of the plate, and raise the shaft ; friction-rollers are contained within the lifters, to cause them to...plate, and consequently of the drill, at every lift."* FORMATION LEVEL. — This is a subject of paramount importance, inasmuch as it constitutes the foundation... | |
 | Luke Hebert - Industrial arts - 1846 - 944 pages
...spindle crosses the frame ; upon this spindle arc lifters, which, as it is turned by a • • iik, come in contact with the lower side of the plate,...is so managed as to produce a small revolution of tha plate, icd consequently of the drill, at every lift." The term quarry is likewise given to a variety... | |
 | James Day - Railroad engineering - 1848 - 240 pages
...by a crank, come in contact with the lower side of the plate, and raise the shaft ; frictionrollers are contained within the lifters, to cause them to...plate, and consequently of the drill, at every lift."* FORMATION-LEVEL. — The bottom should not be perfectly level, but have a few inches fall from the... | |
 | James Day (engineer.) - 1848 - 240 pages
...by a crank, come in contact with tha lower side of the plate, and raise the shaft; frictionrollers are contained within the lifters, to cause them to...revolution of the plate, and consequently of the drill, *t every lift."* FORMATION-LEVEL.—The bottom should not be perfectly level, but have a few inches... | |
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... any part of it, so that the plate will stand horizontally. At a little distance from the periphery of this plate, an iron spindle crosses the frame ; upon this spindle are lifters, which, as it is turned by a crank, come in contact with the lower... 