314 
silver for which we are indebted to the Master of the Royal Mint, 
Dr. C. Horrsema. The silver was found to be practically the same 
as that of the wire Ag; of Comm. N°. 99, which had 0,18 °/, 
impurity, and for which wp») W7—s73 = 90,0089 (ef. wr in Table). 
The thickness of the plate, d= 0,096 mm. 
$ 8. Harvefect for electrolytic Copper. The electrolytic copper 
was supplied by FerreN and GuiLLauMe; d was in this case 0,057 mm. 
We found: 
TABLE VIL. 
The Hatt effect for Copper Cuyy- 
| BEK Sj Sr Beek FK 
ed | | 1 | 
IRA) RAM RH aR? OEE RE NEO 
7260 || 359 | 495 || 479 | 660 || 479 | 660 | 
9065 | 4.42 487 6.03 | 665 || 594 | 655 | 
| | 
10270 || 508 | 4.95 6.78 | 6.60 || 6.71 | 6.54 
w || 31210-69 || 2.94.10-60 | 283.105 n 
wiwo | 1.065 | 0.0103 | 0.00907 | 
$ 9. Haun effect for Palladium. The plate Pd,7 was supplied by 
Hrrarts; d == 0,100 mm. We found : 
} 
| TABLE VIII. 
The Hatt effect for Palladium Pi br 
RH | R RE Wi AR 
8250 | 561 6.80 < 10—4|! 11.42 | 13.83x<10—4); 11.54 | 13.9810) 
9065 | 6.04 | 6.66 = — Neate -- 
9360 || — | a | 12.71 1358 | 12.96 | 13.84 
|. 9760 || 6.64 | 6.80 | zl en | EE Ee 
10270 SP eee reat ee | 1409 | 13.74 
el ee aie ERST 4 | 
w 1262X10-5a || GIIX10-50 || 5TX1050 
el 1.065 | 0.0515 | 0.0485 | 
