Illustrated Account Given by Hevelius in His &quote;Machina Celestis&quote; Of the Method of Mounting His Telescopes and Erecting an Observatory

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Upon all the works published by Hevelius he spared neither time, money, nor expense in their typography and'' illustration. The engravings relating to the three selected chapters are proof of this; and having first ...