https://www.archiseek.com/1818-city-observatory-calton-hill-edinburgh/
1818 - City Observatory, Calton Hill, Edinburgh, Scotland - Architecture of Edinburgh -...
May 16, 2025 - Architect: William Playfair The third design for this Observatory, the original building (centre of photograph) is a small cruciform classical temple with
city observatorycalton hilledinburgh scotlandarchitecture