Transactions, Issues 48-551890 Includes its Constitution, by-laws and list of members. |
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Page 35
... speed at which an iron wire , as fine as a human hair , would be able to transmit the same amount of work as the original one - inch bar . " By the application of these simple principles in Hirn's apparatus , the greater part of the ...
... speed at which an iron wire , as fine as a human hair , would be able to transmit the same amount of work as the original one - inch bar . " By the application of these simple principles in Hirn's apparatus , the greater part of the ...
Page 44
... speed would have re- quired : - One 22′40 ′′ face wheel , 30,000 pounds , cost 7 cents , One 8'x40 ' face wheel , cost , 132 feet 40 " double leather belt , cost $ 6.30 per foot net , $ 2,100 00 356 00 771 75 $ 3,227 75 Probably a ...
... speed would have re- quired : - One 22′40 ′′ face wheel , 30,000 pounds , cost 7 cents , One 8'x40 ' face wheel , cost , 132 feet 40 " double leather belt , cost $ 6.30 per foot net , $ 2,100 00 356 00 771 75 $ 3,227 75 Probably a ...
Page 17
... speed equal to that of the flyer , less the number of revolutions required to wind the spun yarn upon the bobbin ... speeds 17.
... speed equal to that of the flyer , less the number of revolutions required to wind the spun yarn upon the bobbin ... speeds 17.
Page 18
of drawing the fibre by rolls driven at different speeds , which is the universal custom at the present day . me LIVE SPINDLE FLYER . — Two kinds of flyer frames were in general use. DEAD SPINDLE - FLYER . 18.
of drawing the fibre by rolls driven at different speeds , which is the universal custom at the present day . me LIVE SPINDLE FLYER . — Two kinds of flyer frames were in general use. DEAD SPINDLE - FLYER . 18.
Page 19
... speed , as compared to the speed of the flyer . The flyer frame made strong and satis- factory yarn ; but , owing to the rapid revolutions of the flyers through the air , a great deal of power was consumed , and the speed was limited to ...
... speed , as compared to the speed of the flyer . The flyer frame made strong and satis- factory yarn ; but , owing to the rapid revolutions of the flyers through the air , a great deal of power was consumed , and the speed was limited to ...
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Common terms and phrases
Aerophor amount apparatus Association ATKINSON average bale belt Biddeford Board of Government bobbin boiler Boston BOURNE cards cent Charles cloth coal Conn cost per pound Cotton Mills cylinder dollars Draper EDWARD ATKINSON electric engine experience factory Fall River feet fire floor frame friction fuel George glass GOODALE heat Hooksett Hopedale horse-power humidity hundred inch Indian Orchard John John Birkenhead KENT KNIGHT kyanized labor Lancaster Mills Lawrence Lewiston light looms Lowell machine machinery Manchester Manuf manufacturers Mass meeting metallic rolls method moisture motor operation paper PARKER pipe plant PRESIDENT pressure Providence question Rabbeth ribbed ring rope running Sawyer shafting shell-feed speed spindle Spindle Oil spinning spinning frames steam stoker temperature tests THOMAS timber tion to-day transmission vapor warp weaving week weight West Boylston wheel Whitin Whitinsville William William F Willimantic wire wood WOODBURY yarn
Popular passages
Page 66 - ... for a term of one year, two for a term of two years, and two for a term of three years.
Page 59 - The earth round the place, for above two miles, has this surprising property, that by taking up two or three inches of the surface, and applying a live coal, the part which is so uncovered immediately takes fire, almost before the coal touches the earth ; the flame makes the soil hot, but does not consume it, nor affect what is near it with any degree of heat.
Page 59 - When the weather is thick and hazy, the springs boil up the higher, and the naphtha often takes fire on the surface of the earth, and runs in a flame into the sea in great quantities, to a distance almost incredible.
Page 59 - ... close the mouth of the spring : sometimes it is quite closed, and forms hillocks that look as black as pitch, but the spring, which is resisted in one place, breaks out in another. Some of the springs, which have not been long open, form a mouth of eight or ten feet diameter.
Page 129 - ... immersion; but this practice was soon abandoned and injection by pressure substituted. In 1838 Sir William Burnett, formerly Director General of the Medical Department of the English Navy, made known to the public his new process for treating wood. The invention consists of destroyng the tendencies of certain vegetable and animal substances to decay by submitting them to the action of chloride of zinc. The degree of dilution recommended by Mr. Burnett is one part volume by fifty parts of water....
Page 28 - This method of transmitting power depends upon two principles in mechanics: (1) The dynamic force is measured by the product of the force and the velocity with which it moves ; (2) In mechanical work, power may be exchanged for velocity, and velocity for power. To illustrate, let us suppose a bar of iron, having a cross sectional area of one square inch, to move endlong at the rate of two feet per second. Now, if the resistance overcome is say 5,000 pounds, work will be performed at the rate of 10,000...
Page 9 - AM for the election of a Board of Directors for the ensuing year, and the transaction of such other business as may properly come before the meeting.
Page 25 - The Sawyer spindle was limited in speed. With an unbalanced load it would vibrate and gyrate, at more than 7,500 turns per minute, so as to become useless. The Rabbeth spindle, on the contrary, will bear any speed desired, and the limit of production of the frame is transferred from the speed that the spindles will bear to the speed with which operatives can make good piecings of yarn broken in the o|)eration of spinning.