da Autore | Set 20, 2020 | Instruments
CASELLA & CO, CIRCA 1886the lacquered brass instrument with four scales and verniers signed on the machine-tooled plane CASELLA & Co LONDON. S.W., ALTITUDE divided 0-80, the central rotating arc 0-80, the left-hand plane with sextant-like...
da Autore | Giu 2, 2020 | Astronomy, Curiosity, Instruments
Since the sextant is so important an instrument in navigation, it should be handled carefully and treated well. It is delicate and therefore easily thrown out of adjustment. When not in use it should be kept securely in the sextant box with the index arm clamped in...
da Autore | Mag 18, 2019 | Instruments, Navigation
Various tools and technology have been developed to facilitate the determination of a ship‟s location. From the simple tools, the sextant has been a useful tool along with the tables and almanac. Effects of their use indicated limitations to the accuracy and...
