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June 23, 1894

Meas. of Iceland spar plates (Cont.)

Plate I 15251

1
a - 7.8
b - 8.0
c - 8.0
d - 7.7
e - 8.0

2
a - 9.7
b - 9.9
c - 9.8
d - 9.4
e - 9.9

3
a - 8.2
b - 8.4
c - 8.3
d - 7.9
e - 8.4

4
a - [[strikethrough]] 8 [[/strikethrough]] 9.4
b - [[strikethrough]] 8 [[/strikethrough]] 9.5
c - [[strikethrough]] 8 [[/strikethrough]] 9.7
d - [[strikethrough]] 8 [[/strikethrough]] 9.3
e - [[strikethrough]] 8 [[/strikethrough]] 9.8