An Extract of a Letter, Written to the Publisher by the Excellent Johannes Hevelius, Concerning, His Further Observations of the New Star Near the Beak of the Swan; To be Compared with What Was Formerly Published of the Same Argument in Numb. 65. and Numb. 66

J. Hevelius
1671 Philosophical Transactions of the Royal Society of London  
in numb. 65. and numb. 66 formerly published of the same argument of the swan; to be compared with what was observations of the new star near the beak Hevelius, concerning his further publisher by the excellent Johannes
doi:10.1098/rstl.1671.0027 fatcat:bxjisvf7cjfnvenmfnpa7slssu