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[blocks in formation]
[blocks in formation]
[blocks in formation]
[blocks in formation]

+16

[blocks in formation]
[ocr errors]

1 90°

-22

Aa-3.0, A-1.9. Good plate. 3:1:3

+15.8 2 long Aa—34′′, A8 +8". Slit long, center at Aa 0:0,

Δδ +8

[blocks in formation]

1

+34

Aa

[ocr errors]

9",

90°

-27

-60

+14.2 2 long Aa

7′′,

90°

19

Ad -30". Slit long, center at Aa -1:0, 48 -0.5. Under-exposed. Hẞ v. ft., v. ft. trace of N2

Ad +30′′. Slit long, center at Aa -10, As +0:5. Excellent plate.

-31

10:36

[blocks in formation]
[blocks in formation]
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