Curatorial Records: Numbered Correspondence 04453
War Department,
Surgeon General's Office,
U.S. Army Medical Museum and Library,
Corner 7th and B Streets SW.,
Washington
March 20, 1900
Colonel A. M. Miller
Corps of Engineers, U.S.A.
Office of Washington Aqueduct.
Dear Sir:
I enclosed tabulated list of the results obtained with the gas producing organisms isolated from Congressional Spring water, collected February 7, 1900.
The average count was 78 per cc.
Of 6 fermentation tube inoculated with 2 cc of the water, 1 gave 68% of gas and 5 were negative.
Of 6 tubes charged with 4 cc of water, 2 gave 20% of gas and 4 were negative.
Nos. 6 and 7 of the table are almost typical colon bacilli; they differ from it only in their slow fermentation of lactose.
Very truly yours,
James Carroll
Acting Asst. Surgeon,
U.S. Army.
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