It has also been stated that Molyneux's celestial globe was based largely on the 52 cms celestial globe made by Dutch globe-maker Jacob Floris van Langren, and that it shows the canonical 48 Ptolemaic constellations of the Southern Hemisphere created by the Dutch cartographer Petrus Plancius: To the constellations featured on Mercator's globe, Molyneux added the Southern Cross and Southern Triangle, though somewhat to the west of their true positions.