upr000049 252

1 yn\ /r^>/ ^ i Las Vegas, NtT*» Deo, 14, 1949 To All Concerned: 4 little drop of eater* a little grsln of sand, Oakes s mighty ocean sad s glorious Isndl 0se ell the water you west tut do not waste it - a little leek win sink e big ship. 4 cubic foot of water contains 7.43 gallons sad weighs 42.5 pounds, A gallon of water* 0. 8, Standard, oontalne 2*31 cubic iaehes* or 0,13348 ouble feet and weighs 8,33 pounds, A barrel of water contains 31,5 0,s, gallons. With 40 to 50 pounds pressure per square lnoh a 3/4 lnoh garden heel will run 8 gallon per minute without spray and 4 gallons per minute with spray on. It requires i gallons of water to sprinkle 100 square feet of laws end 15 to 20 gallons will soak it thoroughly. An ordinary lavatory ie filled by 1*3 gallons. An average bath tub is filled by 30 gallons. It requires 7 to 10 gallons to flush a toilet, A horse drinks 5 to 10 gallons per day* Cattle drink 7 to 12 gallons per day, logs drink 2 te 2,5 gallons per day, sheep drink 1 to 2 gallons per day* One pound pressure per square lnoh equals ths pressure of a column of water 2,31 feet high, A column of water one foot high produces a pressure of jO',433 pounds per square lnoh. The mean pressure ef the atmosphere at sea level equals 14,7 pounds per square inch with perfect vacuum, this will sustain a column of water 33,9 fast high* or a column of mercury 29,9 inches high, la oareful of your froenlng pipes* tubas and valves* water expends about one twelfth of its bulk in freesing and when rigidly confined has an expansive forces eatlasted at 30,000 pounds per square Inch, lech nominal horse power of a boiler requires 7,3 0,3, gallons of water per hour. One square foot of grate surface requires about IS pounds ef coal per hour.