History of Science and Medicine Library: A Catalogue of the Manuscripts of Christiaan Huygens Including a Concordance with His Oeuvres Complètes (Series #35) (Hardcover) - Walmart.com
Huygens Amsterdam One Arabic Clock Small Size | LEFF amsterdam | Wolf & Badger
Sir Constantine Huygens and Britain: 1596-1687 : A Pattern of Cultural Exchange (Paperback) - Walmart.com
Vintage Delft Blue Christiaan Huygens Miniature Clock Hand - Etsy
Huygens Amsterdam Black Tone Index Clock Medium Size | LEFF amsterdam | Wolf & Badger
Fyscope 2 Piece Wide Angle Huygens 5x/10x/12.5x16x Eyepieces 23.2mm Dia For Biological Microscope Eyepieces Lens - Microscopes - AliExpress