On a similar subject, does anyone have information on the composition of "Chase
Secondary Standards" including numbers in the formats of:
R-8, R-311, R-350, etc.,
BAR 79,
Fire Refined Copper Chino #9-7756, etc.?
Sincerely,
John Twilley
Conservation Scientist
P.O. Box 215
Hawthorne, NY 10532
USA
David Scott wrote:
> I have acquired a few old samples from the "Annotated Metallographic
> Samples" associated with A. R. Bailey and his booklets which were
> well-known in UK Metallographic work in the 1970-1980 period. If anyone
> has any information regarding the composition of the following small ingots
> I would very much like to hear from them: The ingots are: bronze or brass
> Sample E4; bronze or brass Sample B16; Brass Sample B4; Phosphor bronze (?
> these are just guesses) Sample B.K., Bronze or brass Sample BU1, Sample
> BU3, Sample E7, Sample B14, Sample E3 and Sample E2.
> Some of these may possibly be described in the now obscure series written
> by Dr. Bailey, formerly of Metallurgical Services, Betchworth, Surrey, UK.
> Any information from the UK gratefully received. David
>
> Professor David A. Scott
> Chair, UCLA/Getty Conservation Program
> The Cotsen Institute of Archaeology, Room A410
> University of California, Los Angeles
> 405 Hilgard Avenue
> Los Angeles, CA 90095
|