Additional Formats
Maksutov Achromatism
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Planetary Achromat
Additional Formats
[Incl c.ltr BHRule to Gordon Wares; ltr Robert L. Milkis to ISB; c.ltr WABaum to Max Bray; ltr WABaum to ISB; memo "Preliminary Tests on New Color-Correcting Lens for 24-Inch Lowell Refractor," by WABaum]
Bowen
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The life of John Dollond, F.R.S. inventor of the achromatic telescope. : With a copious appendix of all the papers referred to
Rare Books
487000:0120