Nautical Instruments

While electronic navigation chart advances are an important milestone in the science of nautical navigation, many mariners carry on the traditions associated with navigation by plotting a position and a course on a paper nautical chart. They accomplish this task using traditional marine navigation tools, including: compasses, chart dividers, rulers, protractors, sextants, chart plotters, binoculars, chronometers, star finders, and more.

Most large commercial ships use electronic navigation methods as they are required under the SOLAS convention to use ECDIS as the primary means of navigation. However, many navigation officers and smaller, recreational vessels continue to work with traditional nautical charts to navigate and plot their courses using the same basic, yet ingenious, nautical tools used by ocean-sailing mariners for centuries. It is important that mariners remain knowledgeable on the use of these navigation tools in case the need arises to use paper nautical charts. It is good seamanship for mariners to know how to use these nautical tools work and to pass on that information to the next generation. 

High-quality modern nautical tools also make great gifts for anyone with a love of maritime history. Any sailor who uses traditional navigation techniques would appreciate receiving these items as a gift. 

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Showing: 1-10 of 10
  • Sold Out
    After 250 years, how the Storm glass works is still a mystery, but it is believed that it has to do with the electromagnetic changes caused by weather and sun storms. The appearance of different crystal structures inside the sealed glass chamber indicates changes in the weather two days in advan...
  • $29.95 $39.95
    This mounting hardware allows you to easily mount the E.S. Sorensen brass Storm glass to a wall or boat bulkhead. The hook is purchased separately from the storm glass. 
  • $89.95 $109.95
    •  Contemporary look for Victorian technology•  Relied on by mariners since the 1830’s•  Mysteriously predicts the weather up to 48 hours in advance•  Crystals precipitate in unique formations based on impending weather•  Includes reference card of crystal formations•  Solid brass end caps forged...
  • $19.95
    6x6 Brass plate engraved for Stormglass. Dimensions:  6" (152mm) x6" (152mm)
  • $189.95 $232.95
    The premise of the Weems Stormglass is that changing weather affects the solubility of the mixture of chemicals in the sealed glass tube. Some believe that the changes in crystal structures have to do with the electromagnetic changes caused by weather and sun storms. Highlights: Beautifully craf...
  • $149.95 $192.95
    The Weems Stormglass is a mysterious weather predictor that is sure to intrigue. Thought to have been invented by an alchemist for Italian sailors, stormglass instruments have been in use since the 1750s. Admiral Fitzroy, the famous sailor and meteorologist, mounted an instrument similar to the s...
  • $149.95 $192.95
    The Weems chrome Stormglass is a mysterious weather predictor that is sure to intrigue. Thought to have been invented by an alchemist for Italian sailors, stormglass instruments have been in use since the 1750s. Admiral Fitzroy, the famous sailor and meteorologist, mounted an instrument similar t...
  • $41.95
    The Weems Storm Glass Display for the brass stormglass is a wood plaque with a black and brass engraved plate that has a visual description of the crystal formations that develop in this unique weather predictor. The display can be mounted to a wall or boat bulkhead or stand freely on a table or ...
  • $29.95
    This brass and black engraved plate has a visual description of the crystal formations that develop in the brass stormglass. The brass plate has double stick tape on the back so it can be affixed to any flat surface. Dimensions:  6" x 6" (15.2 x 15.2 mm)
  • $179.95 $218.95
    The Weems Stormglass Set is a mysterious weather predictor that is sure to intrigue. Stormglass instruments have been in use since the 1750s. Admiral Fitzroy, the famous sailor and meteorologist, mounted an instrument similar to the stormglass on the mast of HMS Beagle as a storm warning instrume...