I remember some of these in the Purnell WWI Aircraft compendium from the 70s. They do at least give some flavour of what things must have been like, but must be something of an embarrassment for the connections of those who parted with large sums of cash to get hold of them.
http://www.theage.com.au/victoria/wo...#ixzz2aVTR6g1S
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