| http://www.w3.org/ns/prov#value | - The casing constitutes structure in which is situated a separate specimen chamber structure and which specimen chamber structure is comprised of, among other things a specimen holder 56, a saddle plate 58 on which the specimen holder sits, a cover 60 that is used to seal the specimen holder, and other components including heaters, all of which will be described below and with reference being made
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