b44 K+-E KEUFFEL & ESSER CO Reproduced from -the holdings of the Natlonal Archives Pacific Southwest Region Adams and Third Streets, Hoboken, N. J. Telephone HOboken 31100 - Teletype HOB 141, Date REPORT Sept. 16, 1949 ON K. & E. TAPE NO. 7698CM ~ 50 Meters Nickel Steal Tape LOVAR (Trademark) Serial No. 6464 The above identified tape has been compared with our standard (which corresponds to the U. S. Standard at the National Bureau of Standards at Washington, D. C.) and was found to have the following length at 20° Centigrade (68° F.) under the conditions stated below:Supported on a horizontal flat surface:- Tension interval Length ll-1/2 Kg. 0-50 M. 50.000 M. Supported at the 0, 25 and 50 M points:- Tension Interval Length 15 Kg. 0-50 M. 50.000 M The coefficient of expansion of the tape is assumed to be 0.000 000 4 per degree Centigrade (0.000 000 22 per degree Fahrenheit). KEUFFEL & ESSER CO. - awk-fp , By__/s/ A. We Renftet ce siaer ‘ oc