Note 38 to Chapter 5 of the author's Pegasus in Harness: Victorian Publishing and W. M. Thackeray, which University Press of Virginia published in 1992. It has been included in the Victorian Web with the kind permission of the author, who of course retains copyright.
Graham Pollard, pp. 132ff, says that double impositions were introduced, as increased press sizes allowed, for the purpose of reducing presswork; hence, the increased presswork required by octavo imposition here seems unlikely.
Last modified: 4 April 2001