Concept
Spectrophotometry
Images
Catalogue
- Ephemera
- Online
Hellma (England) Ltd., 23 Station Road, Westcliff-on-Sea, Essex SS0 7RA... : your letter of.
Hellma (England) Limited.Date: [1993?]
- Ephemera
- Online
Hellma : High precision spectrophotometer cells : Hellma (England) Ltd., 23 Station Road, Westcliff-on-Sea, Essex.
Hellma (England) Limited.Date: [1993?]- Books
Color science in the examination of museum objects : nondestructive procedures / Ruth Johnston-Feller.
Johnston-Feller, Ruth, 1923-2000.Date: [2001], ©2001