Posted by: towmasters | November 4, 2009

Old-School Plotting & Navigation Tools For The Discriminating Mariner – Part III

How about chart weights and magnifiers? I always hate it when some thoughtless, inconsiderate idiot decides to come in the windward-side door to the pilothouse (especially when it’s me!), sending papers scattering all over the deck. I generally try to keep them firmly affixed to clip boards but they seem to multiply like the proverbial rabbits and there’s always at least a few (or more than a few) stray sheets here and there. Chart magnifiers serve double duty as both paper/chart weights and viewing aids to see small but important details more clearly.

Weems & Plath makes this classy, heavy brass-based 3″ diameter magnifier with a 5x power lens. It’s definitely old-school and, at three-quarters of a pound, you can easily bust a trash-talking deckhand upside the head from across the pilothouse with it as well. It’s available on for $35.99.


Landfall Navigation sells the 3″ diameter / 4x power UltraDome Magnifier from UltraOptix for $35.00 and, while not as old-school in appearance as the model above, it appears to be even more functional as a viewing device.


Celestaire sells the 2.5″ diameter / 4x power Magnabrite light gathering chart magnifier for $22.95, which comes in a protective velvet storage bag. Or…..


… can also get other sizes and products directly from Magnabrite, including this 3.5″ version with a wood base for $59.95. Major bonus points for Magnabrite for being made in the U.S.A., which is also very old-school these days.




  1. […] This post was mentioned on Twitter by Phoenix Towing, Minneapolis Towing. Minneapolis Towing said: Old-School Plotting & Navigation Tools For The Discriminating …: Maritime Consultants. Bryant's Maritime .. […]

  2. Excellent tools for the job.


  3. […] more see parts I, II & III of this series….. Possibly related posts: (automatically generated)SharePoint Navigation Web […]

  4. […] Keep Reading on Towmasters » November 19th, 2009 | Tags: Gifts for the Boater, Maps and Charts / Navigation | Category: Accessories / Togs / Gear, Great Gift Ideas, Safety and Seamanship | Leave a comment | […]

  5. i love this series, great idea.

  6. […] out the previous posts (Part I, Part II, Part III & Part IV) in this […]

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