Gemmological instruments : their use and principles of operation /
Gemmological Instruments deals with the developments in diamond grading equipment and gem testing instruments since the publication of the first edition in 1978. These developments include improvements in the versatility and styling of existing instruments such as the reflectivity meter, the composi...
Clasificación: | Libro Electrónico |
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Autor principal: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
London ; Boston :
Butterworths,
1983.
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Edición: | 2nd ed. |
Temas: | |
Acceso en línea: | Texto completo |