- The method was discussed in detail by Petrus Apianus in his " Cosmographicus liber " ( Landshut 1524 ).
- The map was edited by Georg Tannstetter from the manuscript of Lazarus Secretarius and was published by Petrus Apianus the printer of Ingolstadt.
- The map was published by Johannes Cuspinianus, printed 1528 in Ingolstadt by Petrus Apianus; its unique copy is in the National Library of Hungary.
- In 1519, Apianus moved to Vienna and continued his studies at the University of Vienna, which was considered one of the leading universities in geography and mathematics at the time and where Georg Tannstetter taught.
- It was described also c . 1530 by Peter Apianus in his " Cosmographicus Liber " republished later by Gemma Frisius with a widely circulated illustration of the instrument while being used by an observer.
- The "'Instrument of the Primum Mobile "'is also called the quadrant of Petrus Apianus, because he invented it and described it in the treatise Instrumentum primi mobilis ( Nuremberg, 1524 ).
- He purchased an ephemeris and books on astronomy, including Johannes de Sacrobosco's " De sphaera mundi ", Petrus Apianus's " Cosmographia seu descriptio totius orbis " and Regiomontanus's " De triangulis omnimodis ".
- The " Liber de ponderibus " and the Aliud commentum version were published by Petrus Apianus ( = Peter Bienewitz ) in Nuremberg, 1533; and the " De ratione ponderis " was published by Nicol?Tartaglia in Venice, 1565.
- This calculation enabled him, after examining historical records, to determine that the orbital elements of a second comet that had appeared in 1682 were nearly the same as those of two comets that had appeared in 1531 ( observed by Petrus Apianus ) and 1607 ( observed by Johannes Kepler ).