TY - `BOOK` AU - Coole, Philip G. AU - Neumann, Erwin TI - The Orpheus clocks PB - (3 Fitzroy Sq., W.1.): Hutchinson Educational Ltd CY - London PY - 1972 LA - eng SE - 164 S. N1 - The translation of Dr. Neumann's German text was made by Dr. P. Foulkes ; Includes bibliographical references SN - 0-09-108380-X SN - 978-0-09-108380-9 CN - 74 B 3696 AN - UBHD-1059759 ER -