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Las Vegas, N«t ., I*o . 14, 1949 To All Gonoerned: Y Y ^ V VYrm, / s A little drop of water, a little grain of send, makes a nighty ©seen end * glorioue lead! 8se all the water yon want tint do not waate it - a little leak will sink a big ship, A oubio foot of water ooataina 7*43 gallons and weighs 62*0 pounds. A gallon of water, U* 3. standard, oontalns 4 & 1 oubio lashes, or 0*13368 oubio feet and weighs 8*33 pounds, a barrel of water oontalns 31.5 U.s. gallons* With 40 to 90 pounds presaura per square inoh a 3/4 inoh garden hose will run 8 gallon par minute without spray and 4 gallons per minute with spray on* It requires 8 gallons of water to sprinkle 100 square feet of lawn end 16 to 20 gallons will soak it thoroughly* An ordinary lavatory is filled by 1*3 gallons* An average bath tub le filled by 30 gallons* It requires 7 to 10 gallons to flush a toilet* A horse drinks 9 to 10 gallons per day* Cattle drink 7 to 13 gallons par day* Hogs drink 2 to 2*9 gallons per day* Sheep drink 1 to 2 gallons per day* One pound prossure por square inoh equals the pressure of a oolunn of water 2*31 feet high* A eoluan of water one foot high produoes a pressure of 0*433 pounds per square inoh* the mean pressure of the atmosphere at see level equals 14*7 pounds per square Inoh with perfest vaouua, this will sustain a oolunn of wator 33*9 fast high, or a oolunn of naroury 29*9 inches high* 3a eareful of your freezing pipes, tubas and valves, water expands about one twelfth of its bulk in froozing end when rigidly confined has an expansive for see setinsted at 30,000 pounds per square inoh, Ieoh nominal horse power of e boiler requires 7.9 8.8. gallons of water per hour. One square foot of grate eurfaee requires about 12 pounds of seal par hour*