THE MIcRoscoPr. 365 
TABLE FOR THE CONVERSION OF FRACTIONS 
OF AN ENGLISH INCH INTO MIKRONS, 
COMPUTED ON THE RELATION OF 
ONE METRE=39.37015 INCHES. 
M. D. EWELL, F. R. M. S. 
MILLIONTHS. THOUSANDTHS. INCHES. 
000001”= 025 |.001"= 25.4002 | 1”= 25399.954y 
Be LOst (| 9 50.00 | 2  50799.908 
Poe O76 3 76.200 | 3  76199.862 
4 102 4 101600 | 4 101599816 
ae Aa 5 127.000 | 5  126999.770 
Bye e159 6 152400 | 6 152399.724 
UES 7 177800 | 7 177799678 
ere 203 S$ 203.200 | 8 — 203199.632 
9 229 9 228600 | 9 228599.586 
100-THOUSANDTHS. HUNDREDTHS. 
OOO == a2hd ea OS 2b O00 
2 508 2 507.999 
3 762 | 3 761.999 
4 1.016 4 1015.998 
5 1.270 5  1269.998 
6 1.524 6  1523.997 
Belge. cl 3 LIE OT 
8 2.032 | 8  2081.996 
9 2986 | 9  2285.996 
10-THOUSANDTHS. TENTHS. 
0001”"= 2.5402 1”= 2539.995z 
2 5.080 2 5079.991 
3 h.6200) "8 7619.986 
4 10.160 | 4 10159.982 | 
5 12.700 | 0. 12699.977 
6 15.240 6 | 15239.972 
LY EERTSO | = 17779.968 
8 20.320 | 8 = 20319.963 
9 22.860 i 9 22859.959 
