In the notes to his southern star catalogue published by the French Royal Academy of Sciences in 1756 Lacaille described it as ‘The little instrument used to draw up this catalogue.
Star Tales - Reticulum (ianridpath.com)A small southern constellation, introduced by the French astronomer Nicolas Louis de Lacaille to commemorate the reticle in the eyepiece of his small telescope with which he catalogued the southern stars from the Cape of Good Hope in 1751–52.