Concave posters & prints

Buceros Cavatus,Concave Hornbill Elizabeth Gould and John Gould

Concav Hornbill Anonymous

Concave-casqued Hornbill, 1856-67 Joseph Wolf

Concave Lozenge-shaped Panel and Grotesque Figures, ca. 1620-30 Noel Rouillard

The hay-scented, or Concave prickly-toothed buckler fern Henry Riley Bradbury

The Temple of British Worthies, Stowe, Gloucestershire John Piper

Albarelle, manufactured in Rouen, 1544 Masseot Abaquesne

Saxon fibulae Anonymous

Leeuwenhoek microscope Henry Baker

A Roman specimen marble and glass circular top by Francesco Sibilio, with central parcel-gilt concave-sided hexagonal strapwork motif Anonymous