Accessories . Tickets can be purchased here: www.dambusters.eventbrite.co.uk ), 20TH CENTURY MARK 1 SEXTANT BY GEORGE LEE & SON OF PORTSMOUTH with brass ladder frame, polished arc, signed Heath & Co, New Eltham, London, made for G. Falconer & Co, Hong Kong, in fitted mahogany case with paper label by George Lee & Son of Portsmouth, and test certificate for 20th June 1930 Provenance: The Peter Newall Collection. The outstanding accuracy of our chronometers is achieved by means of ultra-modern electronics with a selected artificially aged and temperature-stabilized 4.19 MHz piezoelectric quartz. Le prix est en rapport aux travaux à effectuer pour la remise en état, maison en partie zone inondable. Severe AF (parts missing from main body).NOTE: Proceeds from this lot are being donated towards the ' Attack On The Sorpe Dam ' film project. For example at 12 o'clock, there were 8 bells: ding-ding, ding-ding, ding-ding, ding-ding, or at 9.30: ding-ding, ding. VAT), Early 20th century sextant by Kelvin & Hughes of London, stamped 1917, together with a further reproduction sextant stamped "Nauticalia London", 16 and 10cms wide respectively, Mid-20th century cased patinated and lacquered brass sextant, Heath & Co, New Eltham, London, SE9, No KK678 of typical form with skeletonised frame and with fitted mahogany handle and folding shades in a fitted box of issue and containing paper label "The National Physical Laboratory - Teddington, Class A certificate, 6 December 1943", width 27 1/2 cms. Box 30 x 27cm approx. Our ship's bell clocks retain the atmosphere of life on board and succeed in striking the right note on land too. After the second half an hour, the hourglass was turned again and the helmsman used two rings of the bell to make it known that the second half an hour of the shift had passed. A preview of the footage completed so far, as well as an appearance by George 'Johnny' Johnson, is taking place on February 9th at The Watershed Cinema in Bristol. In addition, horizontal angle measurements are possible near the coast. A 19th century mahogany cased brass Sextant, signed Allan, London, with folding wooden handle, index mirror, filters, horizon mirror eyepieces and graduated brass arc with inset silvered scale, Student drum microscope by J. Amadio in mahogany case, Nautical Sextant by Kelvin & Hughes, London 1917 in display case, and a single draw pocket telescope, A World War II cased M Hughes & Son Ltd, London black japanned and silvered sextant used by Commander R Wilson, An early 20th century Troughton & Simms brass sextant dated 1910, A brass reproduction Brunton compass, together with a small sextant, British military bubble sextant mark IX no. I have a Hughes & Son sextant made in 1940. Precision without compromise: The ECO Yacht Chronometer has a quartz battery movement with a start-stop switch and can be operated using one commercially available 1.5V baby battery. Finally, a large telescopic field of vision and a protective eyecup ensure easy position finding. Conviendrait pour artisan (grande capacité de stockage), éleveur, etc... Reste une très bonne opportunité. They receive the time information once per second via Ethernet or RS485 data line from the master clock. Learn more about our approach to sharing our collection online. The Mühle TCS-1 is exactly tailored to meet these requirements, as it can not only be easily integrated into the existing on-board Ethernet, but can also be configured via WLAN. The TCS-1 can display up to three times simultaneously: Universal Time Coordinated and Local Time on the analogue display and a further time zone (at sea, for example, the home location time or the destination port time) on the digital display. 24% incl. Even in an age of GPS systems and satellite navigation, a sextant and chronometer are still recommended equipment for a luxury or ocean-going yacht because they do not rely on on-board electronics and are therefore indispensable as an emergency system. Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts. It does not have the double prism lens. in airports. When 8 bells rang, this indicted a changeover and the on-duty helmsman turned the hourglass. If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. We may update this record based on further research and review. Washington, D.C. Email powered by MailChimp (Privacy Policy & Terms of Use), International Media Interoperability Framework. Technology made it possible to perfectly reproduce the rhythm of rings and the sound of the bell whilst also indicating the exact time. The Standard model is offered in a black finish, and is offered with a traditional split mirror. © 2016 Mühle-Glashütte GmbH nautische Instrumente und Feinmechanik, Mühle TCS-1 - The Control Center of Automated Clock Systems, The Idiosyncratic Beauty of Nautical Instruments. Sestrel, No.1673B; a brass mounted japanned metal sextant, with vernier showing 10", in fitted mahogany carrying case, retailed by Lilley & Reynolds Limited. The drum sextant made by Freiberger Präzisionsmechanik allows exact measurements of the elevation angle between the ship/visible horizon and ship/celestial body lines of sight. A. Reynolds & Co., J. Steward, London sextant, with extra lenses and fittings, having certificate dated 1891 for calibration at Kew observatory to interior of case lid, H Haecke, Berlin German sextant in original box with lenses, sextant marked 1851, A large collection of vintage cased draughtsman's instruments, including examples by J. All of these instruments are available in different diameters: 120, 140 and 180 millimetres. The inscriptions read "H. HUGHES & SON LTD. LONDON" and "44164" and "MADE IN ENGLAND." 6B/218. On her way to Murmansk for repair, she proceeds with an escort of buttle pilots from 95 division of Red Army air force. The name of the bell clock derives from the signal given by the ship's bell, which was originally timed using an hourglass. The marine navigation set by Nautische Instrumente Mühle-Glashütte combines traditional instruments into an astronomical position-finding system for use at sea. Il y a des lots 2972 qui correspondent à vos critères de recherche. Case measures 28cm wide. Hughes was making micrometer sextants by the early 1930s. The silvered scale is graduated every degree from -5° to +130° and read by ivory micrometer with electric light to 10 seconds of arc. The valuable mahogany case is impeccably finished with brilliant polyester varnish. This is a story of my sextant which I used many years at sea for astronomical observations. The hourglass was used to divide the daily duties aboard a ship into 6 shifts lasting 4 hours each. The elegant mahogany case is varnished with a special transparent lacquer to withstand the roughest conditions on board. After review, selected comments will appear on this page along with the name you provide.