224 TWO MARINE INSTALLATIONS OF PRODUCER GAS. 



Compression 135 lbs. 



Maximum pressure 275 lbs. 



Revolutions 300 



M. E. P 56.2 



Indicated horse-power 97-5 



On July 14 and 15 a non-stop run of eighteen hours was made from 

 Baltimore to Sharps Wharf on the Rappahannock River. Careful records 

 were made of distances, revolutions, and coal consumed. Following is 

 the condensed log of the trip: — 



July 14:— 



7.48 A. M. Started to blow fire (using hand blower) after two nights 



lay over. 

 8.20 A. M. Left dock. 



8.36 A. M. Arrived at coal dock. Took on ten tons of coal. 

 10.42 A. M. Left coal dock. 

 1 1 .00 A. M. Arrived at oil dock. Took on one barrel of gasolene 



for canning factory. 

 1 1 . 14 A. M. Left oil dock. 

 1.55 P. M. Passed Sandy Point. 

 6.43 P.M. Passed Cove Point. Hi . - 



July 15:— 



1.33 A. M. Passed Windmill Point. 



5.30 A. M. Arrived at Sharps Wharf. Cruised around the river. 



6.00 A. M. Tied up and closed draft on producer. 



Weather favorable for entire trip with light variable winds. Course 

 steered during the night not a true one owing to compass not being adjusted. 

 Distance from oil dock to Sharps Wharf approximately 155 miles, but 

 probably covered 1 60. No stop was made for any cause whatever. 



Blowing up fire 32 min. 



Actual running time 19 hrs. 15 min. 



Stand-by 2 hrs. 25 min. 



Average revolutions 234.5 



Average indicated horse-power 60 . 8 



Indicated horse-power hour (allowing 40 per 



cent, for blowing up fire and stand bys) . 1,246 



