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Twyman, F. 1876-1959.

Optical glassworking / by F. Twyman. - London : Hilger & Watts, c1955. - viii, 275 p. : ill. ; 23 cm.

Includes bibliographical references and index.

55004221


Prisms.
Lenses.

QC385 / .T882

666.156 / TWO
Last Updated on September 15, 2019
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