Contributing to the advancement of scientific technology were the published letters and illustrated publications of the time. They were also the principal means of transferring practical hydraulic information and fountain design suggestions throughout Europe. An un-named French fountain designer was an internationally celebrated hydraulic pioneer in the later part of the 1500's. His expertise in developing gardens and grottoes with integrated and brilliant water fountains began in Italy and with commissions in Brussels, London and Germany. The text, â€œThe Principles of Moving Forces,â€ written near the end of his lifetime in France, became the fundamental his comment is here writing on hydraulic mechanics and engineering. Classical antiquity hydraulic advancements were detailed as well as revisions to key classical antiquity hydraulic breakthroughs in the book. Dominant among these works were those of Archimedes, the inventor of the water screw, a mechanized means of moving water. Sunlight heating up liquid in a couple of vessels hidden in a room next to an ornamental water feature was displayed in one illustration. What occurs is the hot water expanded, rises and locks up the piping heading to the water feature, consequently leading to activation. Models for pumps, water wheels, water attributes and garden ponds are also mentioned in the publication.