Gem testing.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Emerson Books,
[1948]
|
| Edition: | [4th ed. and 1st American ed.]. |
| Subjects: |
| Item Description: | First pub. under title: Gem testing for jewellers. "A short list of useful books": pages [242]-243. |
|---|---|
| Physical Description: | 256 pages : illustrations (1 color) ; 22 cm. |