1. P.P.4735.bb, vol 3, no 2(189a) Reference (shelfmark): P.P.4735.bb, vol 3, no 2(189a) Title: Insecten-Flügel. (Mikrotipie). Trypeta cometa. Photographer: Heeger, Ernst Scope & Content: Genre: Scientific Photography Facing p. 189. Photomicrograph of the wing of a fly. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1855 Extent: 1 item