I based my earlier 1920 assertion on the evidence of a post, by someone who had been working on the ledgers, in an earlier thread on the topic (it's been discussed a few times before!), and it's still correct as regards the use of the term "Dural". But my own hunt through them tonight has now turned up what appears to be a first Duralumin entry for # 26232, a 75-key Duet (described as Durlum) made for Percy Honri in January 1914. I thought I'd seen early photos of him with one, perhaps inspired by/in competition with Alexander Prince's aluminium Edeophone?Though, thinking about it, I'm sure that I once had a circa 1910 Ĉola treble with (highly unusual) aluminium shoes and a bright green leather bellows, but I think the serial number might have been below 25000 so it wouldn't be in the surviving ledgers.Actually, the references to Duralumin don't start until 1920 in the Wheatstone ledgers ...
Yes, the post-1910 ledgers use "dural" consistently, and I don't recall seeing "aluminium" or "Al" at all.
Now who did I sell it to?
Edited to add:
Maybe it was # 25750, which I've just traced in the ledgers, though there's no reference to aluminium shoes.
There's also a 72-key Crane duet (Durelanum), # 26413, and a [Maccann] Duet (Durum), # 26482, both in June 1914, and a 65-key Crane (Duro), # 26969, in December 1915. However, the next entry doesn't appear until the 64-key Special (Dural), # 28438, in June 1920, so it would seem likely that "the War Effort" had probably made Duralumin unobtainable in the meantime. From 1920 onwards they regularly used it.
Edited by Stephen Chambers, 16 June 2006 - 05:45 PM.