Original U.S. WWII Navy 16x MkII Quartermaster Spyglass Refracting Telescope by Hayward Lumber with Wood Case - Dated 1942
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Original Item: Only One Available. A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope). The refracting telescope design was originally used in spyglasses and astronomical telescopes but is also used for long-focus camera lenses. Although large refracting telescopes were very popular in the second half of the 19th century, for most research purposes, the refracting telescope has been superseded by the reflecting telescope, which allows larger apertures. A refractor's magnification is calculated by dividing the focal length of the objective lens by that of the eyepiece.
Refracting telescopes typically have a lens at the front, then a long tube, then an eyepiece or instrumentation at the rear, where the telescope view comes to focus. Originally, telescopes had an objective of one element, but a century later, two and even three element lenses were made.
Refracting telescope is a technology that has often been applied to other optical devices, such as binoculars and zoom lenses/telephoto lens/long-focus lens.
This is a wonderful example of a 1942 Spyglass, used by Quartermasters aboard US Naval ships during WWII. Quartermasters (QM) stand watch as assistants to Officers of the deck and navigators. They serve as helmsman and perform ship control, navigation and bridge watch duties. Your duties may include: Procure, correct, use and stow navigational and oceanographic publications and oceanographic charts. A telescope would have been an important piece of equipment for them to use!
These are the MkI Spyglass and have a serial number of 25840. The optic lenses are still very clear and still able to be focused properly. There are markings present on both the telescope and the case.
Markings on Case
U.S. NAVY SPYGLASS
QUARTERMASTER MARK II
16 POWER BU. SHIPS
SERIAL 14720, 1942 CONT. NO. NXS-8533
CHEMICAL & MFG DIVISION
HAYWARD LUMBER & INV. CO.
LOS ANGELES
Markings on Telescope
U.S. NAVY SPYGLASS
QUARTERMASTER MARK II 16-POWER
BU SHIP SERIAL 1942
HAYWARD LOS ANGELES
Both of these items are in lovely, barely used condition and still very functionable today. Comes ready to display in your US Navy collections!
Approximate Box Dimensions: 32 ½” x 4 ½” x 4 ¾”
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