Cover Image

Notes from observatories :

use of an objective grating with iris diaphragm photometry /
by C.J. Butler and P.A. Wayman.
Main Creator: Butler, C.J.
Contributors: Wayman, P.A.
Format: BOOK
Language:English
Published / Created: London : Repr. from The Observatory, 1969.
Series:The Observatory ; Vol. 89, no. 970.
Subjects:
Notes:Physical description: 109-112 p.
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