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|Archive reference number||NG30/1981/7|
Photograph: Scientific Department
|Date||23 Mar 1981|
Contact sheet. Wang 2200 general computing system and a hand held calibrating electronic hygrometer in front of Hans Baldung’s ‘Portrait of a Man’ (NG245). See also: National Gallery Technical Bulletin, 1981, Vol. 5, pp. 5-7. Photograph: National Gallery. No neg. details.
|Alternative reference numbers||NG30/191|
|Paintings referenced in this record||NG245|
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