Rare Books

Hieronymi Sirturi mediolanensis Telescopium; sive, Ars perficiendi nouum illud Galilaei visorium instrumentum ad sydera : in tres partes divisa : quarum prima exactissimam perspicillorum artem tradit; secunda telescopii Galilaei absolutam constructionem, & artem aperte docet; tertia alterius telescopii faciliorem vsum & admirandi sui adinuenti arcanum patefacit