The silver disk pyrheliometer:
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Bibliographic Details
Main Author: Abbot, Charles G. 1872-1973 (Author)
Format: Book
Language:English
Published: Washington Smithson. Inst. 1922
Edition:Reprint, revised
Series:Smithsonian miscellaneous collections 56,19
Subjects:
Physical Description:9 Seiten Illustration

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!