Details
- TitelLetter from K.A. Bauer, Carl Zeiss, Inc. to Maude Bennot, Director of the Adler Planetarium
- ReferentieZPC.S2.F1.10
- Bereik en inhoudLetter addressing the problem of the moon projection, stating that the Zeiss factory confirmed that part 437 [gold mirror] is perfectly round and that the poor image noted by Adler Planetarium could be due to (1) poorly adjusted bulb or (2) projection surface is not plane.
- Fysieke kenmerkenOne page, 8.5 x 11 inches
- ISBN
- textual record
- BeschrijvingsniveauITEM