. Electric railway review . loyed, may be located in theroom directly over the pump room. The circulating andboiler-feed pumps should be of the compound type with highand low pressure steam cylinders to reduce the steam con-sumption and permit the use of as many steam-driven auxil-iaries as possible. The fire pump if used regularly on thelow-pressure service also should be compounded with pro-vision for using high-pressure steam in both cylinders for thefire service, or boiler feed, tube-drilling, etc. If there are two feed pumps one may beused for tube-drilling, etc., andthe other pump may th
. Electric railway review . loyed, may be located in theroom directly over the pump room. The circulating andboiler-feed pumps should be of the compound type with highand low pressure steam cylinders to reduce the steam con-sumption and permit the use of as many steam-driven auxil-iaries as possible. The fire pump if used regularly on thelow-pressure service also should be compounded with pro-vision for using high-pressure steam in both cylinders for thefire service, or boiler feed, tube-drilling, etc. If there are two feed pumps one may beused for tube-drilling, etc., andthe other pump may then beoperated continuously for thelow-pressure service, which isvery desirable if other buildingsare supplied with water. Theportion of the low-pressure sys-tem which must be always oper-ated at low pressure may be fedfrom elevated tanks. A valvethen should be placed close tothe pump so that in case of firethe pressure can immediately RECENT ELECTRIC RAILWAY LEGAL DECISIONS. BY J. L. ROSENBERGER, LL. B., OF THE CHICAGO BAR,. MM
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