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[Letter from D. W. Kempner to Willoughbys, March 8, 1954]

Description: Letter from D. W. Kempner to Willoughbys discussing about a Viewlex projector, Model AP-55, Serial no. 550506, mounted on a Koolite base, Model A which tends to have some problem and thus asking where should it be sent for adjustments and repairs.
Date: March 8, 1954
Creator: Kempner, Daniel W. (Daniel Webster), 1877-1956
Partner: Rosenberg Library

[Memorandum from Daniel W. Kempner, August 30, 1941]

Description: Memorandum from Daniel W. Kempner informing that E. Leitz can equip the Leica with the optical correction. He also sends a copy of his prescription and would like to know the cost of the lens.
Date: August 30, 1941
Creator: Kempner, Daniel W. (Daniel Webster), 1877-1956
Partner: Rosenberg Library

[Letter from Willoughbys to D. W. Kempner, March 19, 1954]

Description: Letter from Willoughbys to D. W. Kempner discussing about the Viewlex model AP-55 projector with 51/2" lens and about a different 71/2" lens.
Date: March 19, 1954
Creator: Willoughbys & Tichenor, Allen J.
Partner: Rosenberg Library
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