Early astronomical instruments
type: Concept
narrower: Sundials

Gnomons
type: Concept
broader: Sundials

Sundials
type: Concept
creator: AAS Frey.Katie Admin
created: 2022-06-21T18:56:17.113Z
contributor: AAS Frey.Katie Admin
broader: Early astronomical instruments
narrower: Gnomons
modified: 2022-06-21T18:56:44.485Z