The first barlow lens (1 risultati)
- Brossura
Da: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DanimarcaHerman H. J. Lynge & Søn ILAB-ABF
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Aggiungi al carrello(London, Richard Taylor, 1828). 4to. No wrappers as extracted from "Philosophical Transactions" 1828 - Part I. Pp. 105-112. First appearance of the paper in which Barlow described his invention of the so-called first "Barlow-Lens".He constructed his first achromatic telescope lens by enclosing liquid carbon disulfide between two pieces of glass. The Barlow- lens has come into general use for increasing the eyepiece power of any optical instrument.…