TY - BOOK ID - 138431494 TI - Notes shewing how to get the angle of parallax of a comet or other phænomenon at two observations : to be taken in any one station or place of the earth and thereby the distance from the earth PY - 1668 PB - Oxford : Printed by L. Lichfield for Richard Davis, DB - UniCat KW - Parallax. KW - Astronomy UR - https://www.unicat.be/uniCat?func=search&query=sysid:138431494 AB - eebo-0021 ER -