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Numbers 195 and 196 were samples taken one and one-half hours apart at the testing stations of the East Boston Gas Company. It is to be noted that the candle power at the Chelsea station was taken with a Sugg's Argand burner, D size, old style, and a six-inch chimney, and at the East Boston station with a Sugg's F size, new style, and six-inch chimney; at the Chelsea station this latter burner gave 15.9 candle power. Number 200 was a sample taken at consumer's house at the end of a high-pressure main in investigating complaint of poor service. Number 203 was taken at a routine inspection showing low candle power. Numbers 199, 201 and 204 were taken at routine inspections after changes had been made in method of manufacture of the gas supplied. The other samples were analyzed for information.

A study of the inspections of the companies made during the five years from 1910 to 1914, inclusive, shows the following facts:

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From Nov. 30, 1913, to Nov. 30, 1914, inclusive, there were 80,428 meters inspected, including 21,276 prepayment meters, as compared with 88,279 during the preceding twelve months. Of these 21,276 prepayment meters there were 6,731 three lights, 14,484 five lights, 53 ten lights, 6 twenty lights, 1 thirty light and 1 fifty light. Meters which pass inspection are sealed on the top with a brass badge having the inspection number and a wax seal bearing the date; in addition, the fronts and backs are sealed, thus preventing the opening of the meters. Whenever meters are opened for any purpose they must be again tested and sealed before being placed in use by the company. Of the meters examined in the year ending Nov. 30, 1914, 287 were known as complaint meters, the others being new or recently repaired. The following table exhibits a comparison of the number inspected annually during five

years:

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Six meter provers and three experimental wet meters for photometric use were calibrated during the year.

COMPLAINT METERS.

Of complaint meters, 287 were inspected during the year ending Nov. 30, 1914, as compared with 359 in the preceding year ending Nov. 30, 1913. Of these, 1 would pass gas but would not register. The average error of the remaining 286 meters was .76 per cent. fast; 86, or 30.07 per cent., were fast, the average error being 5.12 per cent.; 31, or 10.84 per cent., were slow, the average error being 7.98 per cent.; 169, or 59.09 per cent., were correct within the legal limits, being no more than 2 per cent. fast or slow.

Of the fast meters, 66 registered between 2 and 5 per cent., 13 between 5 and 10 per cent., 5 between 10 and 15 per cent., 1, 17 per cent., and 1, 22 per cent. fast. Of the slow meters, 17 registered between 2 and 5 per cent., 9 between 5 and 10 per cent., 4 between 10 and 15 per cent., and 1, 67 per cent. slow.

A more detailed statement of the meter-testing work appears in the following financial statement for the year ending Nov. 30, 1914:

NUMBER OF EACH SIZE, AND FEES FOR TESTING METERS.

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Income, 80,428 meters, 3 photometer meters and 6 meter provers,
Expenses, including salaries of gas and gas meter inspectors,

$20,520 00

13,647 98

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TESTING OF ELECTRIC METERS.

The testing of electric meters upon the request of customers or companies, under authority of sections 36 and 37 of chapter 121 of the Revised Laws, as amended by section 190 of chapter 742 of the Acts of 1914, has been continued with the same regulations and the same expert assistance as heretofore. The following table exhibits a comparison of the number inspected during the years the law has been in force:

1901. 1902. 1903. 1904. 1905. 1906. 1907. 1908. 1909. 1910. 1911. 1912. 1913. 1914.

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The results of the inspections during the year ending Nov.

30, 1914, are shown in the following table: --

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All fees received during the year from applicants for meters, amounting to $119, have been paid to the Treasurer of the Commonwealth. The services and expenses of the inspector for the year amounted to $268.01, being $149.01 above the amount received for fees. Inspections Nos. 469 and 486 were made upon the request and at the initial expense of the companies.

VIOLATIONS OF LAW.

The following cases of violations of the statutes have occurred since the last annual report: Central Massachusetts Electric Light Company, Hatfield Gas Company, Middleton Electric Light Company, North Dana Electric Light Company (A. W. Mason, owner), Norton Electric Light and Power Company, Winchendon Electric Light and Power Company, Worcester Suburban Electric Company, and the municipalities of Bel

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