Photometry (1953) by John Walsh Hardcover 2nd Revised Ed. Ex library. This copy is in good condition. Front flyleaf disconnected but present. Markings on flyleaf back flyleaf has a pasted paper, as well as the back pastedown having a library pouch with insert. Minor soiling on the outside, wear to top and bottom of spine, transparent tape along the publishers name across the spine.
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