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Darwin Correspondence Project

From R. F. Cooke   23 August 1872

50A, Albemarle Street, London, W.

Augt. 23 1872

My dear Sir

The expense of having to pay £66.0.0 for every 1000 Impressions of the Heliotypes sticks in my gizzard.1

I have ordered 2000 sets for the 1st. edition for England.

But do not think we might from a set of these heliotypes have them photographed on to wood & so secure the expression & then engraved. The 1st. expensive would be £100, but we should be able to print off the impression much cheaper.

How does this occur to you? It is only an idea of mine just now.

The Index is in hand2

Yours faithfully | Robt. Cooke

C. Darwin Esq

My chief is back again3


On the costs for heliotypes of the photographic plates for Expression, see the letter from R. F. Cooke, 16 August 1872.
The index to Expression was being prepared by William Sweetland Dallas (letter to R. F. Cooke, 4 August 1872).
John Murray had been in Scotland (letter from R. F. Cooke, 21 August 1872).


Expression: The expression of the emotions in man and animals. By Charles Darwin. London: John Murray. 1872.


Cost of impression of the heliotype plates [for Expression] is so high that he asks CD to consider having a set photographed onto wood and then engraved. Index [for Expression] is in hand.

Letter details

Letter no.
Robert Francis Cooke; John Murray
Charles Robert Darwin
Sent from
London, Albemarle St, 50a
Source of text
DAR 171: 418
Physical description

Please cite as

Darwin Correspondence Project, “Letter no. 8483,” accessed on 30 November 2020,

Also published in The Correspondence of Charles Darwin, vol. 20