Scope and Contents This collection includes articles compiled by Whitney while researching military timepieces.

Scope and Contents This smaller collection includes drawings, plans, and photographs related to the astronomical clocks created by Rasmus Sørnes during the mid-20th Century. The language used to label the drawings in this collection is Norwegian, as Sørnes was from Norway. A small number of the illustrations have hand-written English translations. Many of the drawings relate to the astronomical elements of creating an astronomical clock. There are illustrations involving calculations of the planets, sun, and...