Purple Collection (page 6)
Jewel box clam, embossed horn, miter, volute
Various shells: Jewel box clam, Chama squamata 1, embossed horn shell, 2, miter, Mitra mitra (Mitra episcopalis) 3, volute sea snail, Voluta musicalis 4, agate volute 5, groene zilvermond 6
Poplar admiral and purple emperor
Poplar admiral butterfly, Limenitis populi, 1, 2, 3, 4, and purple emperor, Apatura iris 5, 6, 7, 8, with caterpillar and pupa
Purple orchid, Orchis mascula, and sedge grass, Carex hirta
Purple orchid, Orchis mascula, Gynandria, 1-3, and sedge grass, Carex hirta, Monoecia, 4-6. Handcoloured copperplate engraving by F
Title page, Electrical Fixtures, FS & Co Limited
Title page, Supplementary Catalogue, Electrical Fixtures, Falk, Stadelmann & Co Limited, Veritas Works, Farringdon Road, London EC1, also with offices in Glasgow, Manchester and Birmingham. 1922
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