Tychonis Brahe opera
From University Of St Andrews Library Transcription Platform
Possibly: Opervm Tychonis Brahe De Mvndi Aetherei recentioribvs : et phaenomenis pars secvnda. (Tycho Brahe). (Francofvrti [Frankfurt] : Impensis Ioannis Godofredi Schönvvetteri., Anno M.DC.XLVIII. [1648]). http://library.st-andrews.ac.uk/record=b1999606~S1