Form. &78
- tata
13 Ff the National Arch
2
U © DEPARTMENT OF COMMERCE
National Bureau of Standards
Certificate
FOR
-ater
3
o
NREN
&
ker’s Identification Mark
3°
a
tetes
<>
we
[oust &
3.
etn tion
= 35
oft
we
mens
Unite:
oS
;
_
B.S.0.& G3. No. 3601]
ss
Stee.
BBUE
ghd Luf<in Rule Co.
-
ie
fev. Survey,
at
S This tape has been compared w ttt) stasdards of the outed ta.cs /t complies with the specifications
fog a standard tape, and the inter
r
rao tle ye ws a OH” ahrenneit (20° centigrade
urler the conditions given below
a
z=
|
SUuULynort +
we
boy
~
|
eet ae
,
uae
Inter vit
{O
to
ter
re
Intervel
(O to
1 meter)
L.CCCl
(0 to
(O to
6 meters}
7 meters}
6.0008
7.0097
(O to
9 meters}
7.06
to
246000,
3.0004
4.0C0-
5 meters}
(O to ll meters)
ow
6h
.
.'.
oo
“
-'
4,00
Z
15,05
11.0 .:
{O to l2 neters}
(OC to 13 meters)
12,90°
13.00°.
(0 to l» meters)
Poy
(O to 14 meters)
sooepryad
8.00%,
8 meters)
(O to 10 meters)
ere
4
et an
2 meters}
3 meters}
4 meters)
{O
‘
benet.
(O to
(OC to
{oO to
(O to
ta,
.
.§
eters
16.0006 meters
neters,
uetersng ters.
17.0010
18.0007
19.0009
"
"
"
. | yrs ters:
/. eLers
21.0007
22.0008
"
"
.
neters:
,
ie vers |
.erers:
vo
1y4.u6
Length
20.0008
23,0010
24.0010
"
"
"
a ers |
25.0008
iwters =
erg}
27,0008
28,0012
"
"
40,0017
°
w ers.
sters
try
26,001%
29.0015
n
"
"
Test No. 2.1,/113718
The comparisons of this tape woth toe
anid in reduciig to 6S’ Fahrenheit 200 «
n
degree Vahrenleit (O.0000L16 per degree rer
4?
ArraL
Her “psth
Doo
on
17
1
nora peretire ct 244 9°Cent igrade
soot as mw
ame to be 0.00000645 per
“is
16 teh OT EY pe nting OFF ft