| Incorporated Gas Institute, London - 1870 - 142 páginas
...lighted at least ten minutes before the testings begin, and shall be kept continuously burning from the beginning to the end of the tests. Each testing...observations of the photometer, made at intervals of one minute. The gas is to be consumed at the rate of 5 cubic feet per hour. The standard rate of consumption... | |
| Canada - 1873 - 576 páginas
...acetate of lead dissolved in one fluid ounce of water. Mode of testing for Illuminating Power. The gas^n the photometer is to be lighted at least fifteen minutes before the testing begins, and it is to be kept continuously burning i'.iom the beginning to the end of the tests.... | |
| 1873 - 576 páginas
...lead, containing sixty grains of crystallized acetate of lead dissolved in one fluid ounce of water. Mode of testing for Illuminating Power. • The gas...to be lighted at least fifteen minutes before the testing begins, and it is to be kept continuously burning from the beginning to the end of the teats.... | |
| Canada - 1875 - 532 páginas
...the presence and quan" tity of sulphur or ammonia as may be directed by depart " mental regulations. "MODE OF TESTING FOR ILLUMINATING POWER. " The gas in the photometer is to be lighted at least tea " minutes before the testing begins, and it is to be kept " continuously burning from the beginning... | |
| Great Britain. Treaties, etc - 1875 - 538 páginas
...tity of sulphur or ammonia as may be directed by depart" mental regulations. " MODE OF TESTING FOB ILLUMINATING POWER. " The gas in the photometer is to be lighted at least ten " minutes before the testing begins, and it is to be kept " continuously burning from the beginning... | |
| Alexander Wynter Blyth - 1876 - 700 páginas
...acetate of lead d.¿u'o/i'tJ m onefluid ounce of water. PART II. RULES AS то MODE or TESTING GAS. 1. Mode of Testing for Illuminating Power. The gas in...least fifteen minutes before the testings begin, and is to be bjii continuously burning from the beginning to the end (if the tests. Each testing shall... | |
| Alexander Wynter Blyth - 1876 - 702 páginas
...acetate of lead d.stulctd in oneßuid ounce of water. PABT II. RULC.S AS то MUDE OF TESTING GAS. 1. Mode of Testing for Illuminating Power. The gas in...least fifteen minutes before the testings begin, and is to be t continuously burning from tl<e beginning to the end of the tests. Each testing shall include... | |
| William Henry Michael - 1877 - 932 páginas
...acetate of lead dissolved in one fluid ounce of water. PAET II. Rules as to Mode of Testing Gas. I. Mode of testing for illuminating power. The gas in...continuously burning from the beginning to the end of the tests. Each testing shall include ten observations of the photometer, made at intervals of a minute.... | |
| South Australia - 1881 - 616 páginas
...in one fluid ounce of water. SCHEDULE B. Rules as to Mode of Testing Oat. I. — MODE OF TESTING FOE ILLUMINATING POWER. The gas in the photometer is to be lighted at least fifteen minutes before the testing begins, and it is to be kept continually burning from the beginning to the end of the tests.... | |
| Thomas Newbigging - 1883 - 512 páginas
...apparatus for testing flif illuminating power of the gas shall consist of the improved form of Bunsen's photometer, known as Letheby's open 60-inch photometer,...lighted at least fifteen minutes before the testings oegin, snd it is to be kept continuously burning from the beginning to the end of the tests. Each testing... | |
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