50 
REPORT—1843. 
TasLe XI.—Wrought Iron Standard Bar, in presence of Zine, Copper, and 
their Alloys, in Sea Water. 






1. 2. 
Atomic Constitution 
No. of Alloy. 
1. Cu 
2. Zn + 10Cu 
3. Zn + 9Cu 
4, Zun+ 8Cn 
6. Zn+ 7Cu 
6. Zn+ 6Cu 
fs Zn+ 5Cu 
8. Zn+ 4Cu 
9; Zn+ 38Cu 
10. Zn-+ 2Cu 
11. Zn+ Cu 
12. 2Zn+ Cu 
13. 3Zn+ Cu 
14. 4Zn+ Cu 
15, 5Zn+ Cu 
16. Ddigesseusentas 

3. 

Weight of 
piece pre- 
vious to 
immersion. 
50430 
57520 
549-81 
559-21 
528-62 
553:34 
492-31 
503-11 
466°22 
493°34 
488:97 
480-00 
424-42 
433-91 
414:10 
420°75 


4, 
Weight of 
piece after 
immersion 
for 1860 
hours, 
504-23 
575°14 
549°74 
559-14 
52856 
55332 
492-22 
503°04 
466-16 
493°31 
487-13 
47984 
5. 6. 

Weight of 
Wrought 
Iron pre- 
vious to 
immersion. 
Total 
loss of 
Weight. 

0-07 
0:06 
0:07 
0:07 
0-06 
0-02 
0:09 
0:07 
0:06 
0-03 
0:04 
0-16 
213 
2:28 
317 
3°51 
1008-21 
1008-21 
100821 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 
1008-21 


100821 
7. 
Weight of 
Wrought 
Iron after 
immersion 
for 1860 
hours, 

9. 

Loss of 
Weight 
loss of (Per square 
. inch of 
Weight.|surface in 
387 days. 

22°85 
22°40 
22°20 
20°15 
18°65 

Taxsre XII.—Wrought Iron Standard Bar, in presence of Tin and Copper, 
Atomic Constitution 
of Alloy, 
Cu 
Sn + 10 Cu 
and their Alloys, in Sea Water. 
Weight of | 
piece pre- 
vious to 
immersion. 
496-21 
550-00 
508-01 
499-72 
523°80 
§13-11 
§54:21 
516-90 
471:87 
526°36 
476-91 

4. 
Weight of 
piece after 
immersion 
for 1860 
hours, 
496712 
549-84 
507°72 
499-62 
523°59 
51288 
553°93 
516-61 
471-53 
525°98 
475°50 
6. 
Weight of 
Total | Wrought 
loss of | Iron pre- 
Weight.) vious to 
0-09 
0-16 
0:29 
0-10 
0-21 
0-23 
0-28 
0-29 
0:34 | 
0:38 
0-41 
0:36 | 
0-24 | 
0-16 
0-09 
0:26 
1009-30 
1009°30 
1009-30 
1009-30 
1009°30 
1009°30 
100930 
1009°30 
1009°30 
1009°30 
1009-30 
1009°30 
1009°30 
1009-30 
1009-30 
1009°30 


immersion. 
1009-30 

Weight of 
Tron after 
hours. 
1004-82 
100389 
1003:18 | 
1002-93 
1002°84 
1002-66 
1002-46 
1002-89 
1004:97 
1004-47 
1003-62 
1003-73 
1004-96 
1003-50 
1003°17 
1001-40 
1007-07 


22-40 
27:05 
30°60 
31°85 
32°30 
33°20 
34:20 
32:05 
21°65 
24:15 
28°35 
27°87 
21:70 
29:00 
30°65 
39°50 
1415 

