Telescope Of Leonardo Semitecolo

Leonardo Semitecolo telescope with three prints. Optical frame, stop rings, lens protector, horn eye protector. Body lined with red parchment decorated with finials and scrolls. The other three parts are green. Venice, 18th century. Leonardo Semitecolo: There is no precise biographical information on this Venetian optician. The only known event in his life was the presentation of the gold medal for a silver bezel in 1825. We also know where his workshop was located in Venice, currently 4964, Saint Mark's Square. Semitecolo is an important brand in the field of optics for having invented and built a particular type of terrestrial telescopes, characterized by a structure formed by four cardboard tubes. All its instruments have similar characteristics, in particular the main part, in which the manufacturer's signature is printed, is covered with orange paper.