Lbhl
,
K-+-E
EEUFFEL
&
ESSER
CO.
Reproduced from the holdings of the Nationai Archives
Pacific Southwest Region
Adams and Third Streets, Hoboken, N.d.
Telephone HOboken 3-1180, Teletype HOB 141,
Date:
REPORT
February
lst,
1950
_ON
K. & E. TAPE NO. 7698CM - 50 Meters
Nickel Steel Tape
LOVAR (Trademark)
Serial No.
6621
The above identified tape has been compared with our stand-
ard (which corresponds to the U. S. Standar 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
li-1/4 Ke.
Interval
Length
0-50 M.
50.000 M.
Supported at the §, 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.
By
awkef'p
fB/
A. W.
Keuffel
Vice President
.
/o¥