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Observatories

Format
Online; Visual Materials
Type
Black-and-White Photographs
Summary
From excerpt, "The new Grant Stellar Comparator. This machine was installed in April 1971. It measures plates up to 10 x 10 inches to an accuracy of 1/2 micron by advanced electronic techniques."
Date Created
undated
Description
Original Negative Present
Collection
University of Virginia Visual History Collection
Location
Special Collections, University of Virginia Library, Charlottesville, Va.
Retrieval ID
prints01533
RG-3/1/2.781
Call Number
RG-30/1/10.011

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