Spherical Protractor
Dublin Core
Title
Spherical Protractor
Subject
Mechanical Assembly
Description
Sherical protractor for drawing longitude lines on a sphere owned by S.L. Boothroyd
Format
Length - 4"
Width - 4"
Diameter - 5"
Height - 2"
Width - 4"
Diameter - 5"
Height - 2"
Identifier
0058
Collection
Citation
“Spherical Protractor,” Lowell Observatory Archives, accessed November 12, 2025, https://collectionslowellobservatory.omeka.net/items/show/127.