Bradbury's Seaweed

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The Nature-printed British Sea-weeds

The Nature-printed British Sea-weeds, published 1859-1860. Henry Bradbury, (1831-1860) produced two nature-printed works, this book on seaweeds in 1859-60, and an earlier book, The Ferns of Great Britain and Ireland in 1857 (elsewhere on this site). The nature-printed process was achieved by directly pressing living specimens onto a sheet of soft lead, achieving an immediate impression of the specimen itself, rather than through a lithographic process. Capturing the exact details of a plant or insect by printing directly from the natural object had been a goal of printers for hundreds of years. Eighteenth century attempts to print directly from dried plants failed because the material was too fragile to withstand the printing process. In the nineteenth century, printers realized that they could first impress the object into another, harder material which could then be used to make the printing surface. Wood, softened by steam, and various types of metal were used to make a mold from the plants. A successful process was developed in 1853 by Alois Auer, Director of the Government Printing Office of Vienna, and brought to England by Henry Bradbury. Termed "nature printing," the process involved passing the object to be reproduced between a steel plate and a lead plate, through two rollers closely screwed together. The high pressure imbeds the object--for example a leaf--into the lead plate. When colored ink is applied to this stamped lead plate, a copy can be produced. Several colors could be applied individually, by hand, to appropriate areas of the plate and all colors printed together from one pull of the press. Very few books were actually printed by this method during the nineteenth century, with Henry Bradbury continuing to be the leading proponent. Both of his books are scientific in approach and include engraved diagrams in addition to the nature printing. The process was ideal for showing the thin two-dimensional fronds of ferns and seaweed, but less successful with more fleshy plants. Bradbury's death in 1860, at the age of twenty-nine, seeded to end major interest in the process. Martin Hardie, a curator of prints and drawings at the Victoria and Albert Museum, wrote "the inevitable costliness of the process was the only bar to its extended use. Nature-printing seems to have died with Bradbury, and a unique and valuable method of reproducing botanical specimens was lost. Size (in): 9.5 x 6

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Ahnfeltia picata SOLD	Callithamnion brachiatum SOLD	Callithamnion Brodiaei $75.00
Callithamnion Tetragonum $75.00	Callithamnton Roseum SOLD	Calophyllis laciniata SOLD
Ceramium diaphanum $75.00	Ceramium echionatom SOLD	Ceramium Nodosum SOLD
Ceranium Deslongchampii SOLD	Ceranium flabelligerum SOLD	Cystoclonium pururascens SOLD
Gigartina mamillos SOLD	Griffithsia setacea SOLD	Halymenia ligulata SOLD
Lomentaria kaliformis SOLD	Plocamiun coccieneum SOLD	Polysiphonia elongata $75.00
Ptilota elegans $75.00	Rhodomela subfusca $75.00	Ryriphlaea pinastroides SOLD

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