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A study of the inspections of the companies made during the five years from 1906 to 1910, inclusive, shows the following facts:

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Number of inspections made,
Number of companies subject to inspec-

tion,
Number of companies showing deficiency

in candle-power, Highest candle-power, not including oil

gas and acetylene gas companies, Lowest candle-power, not including oil

gas and acetylene gas companies, Average candle-power, not including oil

gas and acetylene gas companies, Average candle-powers:

Coal gas, 25 companies,
Water gas, 17 companies,
Mixed coal and water gas, 23 com-

panies,
Number of companies showing sulphuretted

hydrogen,
Number of companies showing excess of
sulphur,
First six months,

Second six months,
Number of companies showing excess of

ammonia,
Largest amount of sulphur,
Smallest amount of sulphur,
Average amount of sulphur,

First six months,

Second six months, Largest amount of ammonia, Smallest amount of ammonia, Average amount of ammonia,

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Oil-gas companies:

Highest candle-power,
Lowest candle-power,
Average candle-power,
Number showing sulphuretted hydrogen,

1906. 1907. 1908. 1909. 1910.
56.0 49.1 49.6 46.8 45.2
32.1 23.9 20.4 19.8 18.0
35.27 33.53 33.18 29.33 30.94
3
1
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Gas Meter Inspection. From Nov. 30, 1909, to Nov. 30, 1910, inclusive, there were 82,643 meters inspected, including 24,300 prepayment meters, as compared with 73,994 during the preceding twelve months. Meters which pass inspection are stamped with a brass badge and a wax seal, which give the inspection number and date. These are so placed that the rate of registration cannot be changed unless both are mutilated. 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, 1910, 328 were known as complaint meters; the others being new, or recently repaired. The follow

ing table exhibits a comparison of the number inspected during five

years:

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Under the provisions of section 7 of chapter 483 of the Acts of 1909, the Board established the following fees for examining, comparing, testing and calibrating meter provers and test or photometer meters, viz.: for meter provers, $5 for each two-foot prover, with an additional 50 cents for every additional foot of capacity; and for photometer meters, $2 per meter. Eight meter provers (including one for the office of the State Inspector) and 5 experimental wet meters for photometric use were calibrated during the year.

COMPLAINT METERS. Of complaint meters, 328 were inspected during the year ending Nov. 30, 1910, as compared with 415 in the preceding year ending Nov. 30, 1909. Of these, 3 would pass gas, but would not register. The average error of the remaining 325 meters was 1.38 per cent. fast; 158, or 48.61 per cent., were fast, the average error being 4.58 per cent.; 31, or 9.54 per cent., were slow, the average error being 9.27 per cent.; 136, or 41.85 per cent., were correct within the legal limits, being no more than 2 per cent. fast or slow.

Of the fast meters, 119 registered between 2 and 5 per cent., 34 between 5 and 10 per cent., and 5 between 10 and 15 per cent. . fast. Of the slow meters, 24 registered between 2 and 5 per, cent., 5 between 5 and 10 per cent., 1 was 20 per cent. and 1, 94 per cent. slow.

A more detailed statement of the meter-testing work appears in the following financial statement for the year ending Nov. 30, 1910:

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Number of Each Size, and Fees for testing Meters.
Size.

Fees.
2 lights,
3 lights, } at 25 cents,

$19,233 25
5 lights,
10 lights,
20 lights,
30 lights,
45 lights, at 30 cents,

1,659 30
50 lights,
60 lights,
70 lights,

53 00
150 lights at 90 cents,

21 60 200 lights at $1.25,

22 50 250 lights at $1.50,

16 50 300 lights at $1.70,

22 10 500 lights at $2.50,

17 50

211, 39,

1, 30,

76,

100 lights

; } at 50 cents,

24, 18, 11, 13, 7,

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82,655

OPERATING ACCOUNT.
Income, 82,643 meters, 5 photometer meters and 7 meter provers,
Expenses, including salaries of gas and gas meter inspectors,

$21,094 25 14,597 78

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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, 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 that the law has been in force:

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The results of the inspections during the year ending Nov. 30, 1910, are shown in the following table:

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.41 2.3 0.0 2.4 5.6

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307, 310, 322, 323, 328, 334, 327, 305, 312, 315, 317, 318, 325, 333, 335, 311, 313, 304, 314, 320, 321, 324, 326, 330, 331, 316, 319, 332, 337, 306, 308, 329, 309,

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7} 10 10 10 10 10 10 10 10 15 15 25 25 25 25 25 25 25 25 50 50 50 50 75 100 150 300

1.7 2.1

5.2 1.8 1.81 2.0 2.3 3.31

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1.7 2.8 1.11

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: Full load not obtainable.

All fees received during the year from applicants for meters, amounting to $126, have been paid to the Treasurer of the Commonwealth. The services and expenses of the inspector for the year amounted to $284.52, being $158.52 above the amount received for fees. The Board has also expended during the year

for other expenses for this work $5.20. Inspections Nos. 311, 312, 317, 318, 330, 331, 332, 333, 334, 335 and 337 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: by the Amesbury and Salisbury Gas Company, the Orange Electric Light Company, the Plymouth County Gas Company, the South Hadley Falls Electric Light Company, the Sunderland Gas Company, and the municipalities of Belmont, Groveland and Shrewsbury, in neglecting to make their annual returns to the Board within the time required by law; by the Ipswich Gas Light Company, the Amesbury and Salisbury Gas Company, the Edison Electric Illuminating Company of Brockton, the Gardner Gas, Fuel and Light Company and the Webster and Southbridge Gas and Electric Company, in distributing gas containing sulphuretted hydrogen.

ACCIDENTS.

The abstracts of accidents caused by the gas or electricity manufactured or supplied by companies, persons and municipalities engaged in the manufacture and sale of gas or electricity for light or fuel, whereby employees or other persons have been injured, killed or rendered insensible, will be found in Appendix F.. Of those caused by gas, 125 were fatal and 196 non-fatal; 61 of the fatal were cases of suicide and 26 of the non-fatal were apparently due to suicidal intent. Of the accidents caused by electricity, 21 were fatal and 24 non-fatal. Of the non-fatal accidents caused by gas, 18 were employees of the · companies. Eight of the fatal electric accidents and 6 of the non-fatal cases were employees of the companies.

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