from the Wall Street Journal,on The Walters Art Museum exhibit opening Sunday, Lost and Found:The Secrets of Archimedes

A history of Ireland in 100 objects Ardagh Chalice, eighth century

Woodcut map and diagram of the world in Lilius, Zacharius: Orbis breviarium

Woodcut map and diagram of the world in Lilius, Zacharius: Orbis breviarium, a photo by University of Glasgow Library on Flickr.

Large woodcut initials in Eusebius Caesariensis: Chronicon

Large woodcut initials in Eusebius Caesariensis: Chronicon, a photo by University of Glasgow Library on Flickr.

Woodcuts and annotations in Publicius, Jacobus: Ars oratoria, ars epistolandi et ars memorativa

Woodcuts and annotations in Publicius, Jacobus: Ars oratoria, ars epistolandi et ars memorativa, a photo by University of Glasgow Library on Flickr.

Woodcut diagram in Publicius, Jacobus: Ars oratoria, ars epistolandi et ars memorativa

Woodcut diagram in Publicius, Jacobus: Ars oratoria, ars epistolandi et ars memorativa, a photo by University of Glasgow Library on Flickr.

Decorated initial and unidentified annotations in Seneca, LuciusAnnaeus: Epistolae ad Lucilium

Decorated initial and unidentified annotations in Seneca, Lucius Annaeus: Epistolae ad Lucilium, a photo by University of Glasgow Library on Flickr.