Frontispiece 2
<a href="https://en.wikipedia.org/wiki/Pieter_Cramer" class="extiw" title="en:Pieter Cramer">Pieter Cramer</a>  (1721 - 1776) and <a href="https://en.wikipedia.org/wiki/Caspar_Stoll" class="extiw" title="en:Caspar Stoll">Caspar Stoll</a>  (between 1725 and 1730 - 1791)
1779
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