Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 151
Science Conspectus 141 U^t#S- … 60-inch reflector mounting being taken out and kept in a light-proof to manipulate such enormous instruments place till some other favorable night gives as those at Lick or Yerkes in any such the opportunity to expose it again. delicate way, since the corrections may So well has the matter of…
Science
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