First barlow lens (1 Ergebnisse)
- Softcover
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In den Warenkorb(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.