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 Great Refractor, Cambridge Observatory, U.S.

XVII. ASTRONOMY IN AMERICA.

was with no little surprise that, on inquiry for Mr Alvan Clarke in Boston, we could hardly find a clue to his residence. America is proud of her great men, but the name of her great optician, familiar to every astronomer in Britain, was almost unknown in his own city. It was after considerable search that we found his residence and workshop in Cambridge, a suburb of Boston. Even