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A practical treatise on the manufacture and ditribution of coal-gas, its introduction and progressive improvement : illustrated by engravings from working drawings with general estimates / by Samuel Clegg
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WILLIAM PARKINSON AND CO.,

(Successors to the late SAMUEL CROSLEY),

COTTAGE LANE, CITY ROAD, LONDON.

Patentees and Manufacturers of

CAS AND WATER-METERS, GOVERNORS,

AND OTHER APPARATUS.

WET GAS METERS,

ORDINARY AND COMPENSATING,

Which fully meet the requirements of the Sales of Gas Act, and which they continue to Manufacture ofthe Best Materials aud Workmanship, and as simple in construction as those supplied by them and thelate Mr. S. CROSLEY for nearly fifty years. They are constructed either in Tin or in Cast-Iron Cases,the internal fittings of each being precisely the same. Their

IMPROVED DRY GAS METERS

Have now been before the Public for some years, and the general satisfaction they have given fullywarrants the strongest recommendation. In their construction the same care is taken to secure simplicityand accuracy, combined with excellence of workmanship and durability of materials, which has been sosuccessful in obtaining for W. P. and Co.s Wet-Meter a reputation hitherto unequalled.

STATION METERS

Of all Sizes, which can be seen at work at nearly all the principal Gas Works in Great Britain, theContinent, and the Colonies. They have lately erected Station Meters to pass 100,000 cu. feet perhour at the Works of the Birmingham and Staffordshire Gas Company, Saltley Station; the London GasWorks, Nine Elms; the Commercial Gas Works, Stepney; and the Sheffield United Gas Company.

STATION GOVERNORS,

FROM 3 INCHES TO 36 INCHES MAIN.

These are constructed either with the Inlet and Outlet side by side, or with the Outlet surrounding theInlet, thus economizing space.

PRESSURE REGISTERS,

EXHAUSTER REGULATORS, STREET-LAMP REGULATORS,

With Burners adjusted to consume any required quantity.

EXPERIMENTAL METERS, MINUTE-CLOCKS, PHOTOMETERS,

Consumers Gas-Governors, Pressure Gauges, Rain Gauges.

STANDARD EXPERIMENTAL GAS-HOLDERS, for proving Meters, etc.

SPECIFIC GRAVITY APPARATUS, STANDARD SPERM CANDLES.

MOTIVE POWER METERS,

With Machinery for Weights to assist the supply of Gas where the pressure is low.

WATER METERS.

W. P. and Co., having, for the last fifteen years, manufactured LOW PRESSURE WATER METERS,and received the highest Testimonials of their accuracy, feel confidence in recommending their use toWater Works Companies and others.

Illustrated Price Lists free on application.

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