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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Manufacture new Bygraves?
From: Tom Sult
Date: 2009 Jul 03, 10:12 -0500
From: Tom Sult
Date: 2009 Jul 03, 10:12 -0500
I have no skills to offer but would be a buyer! Thomas A. Sult, MD Sent from iPhone On Jul 3, 2009, at 2:18 AM, engineer@clear.net.nz wrote: > > A few years ago, when I and a couple of friends wanted each to own a > gear hobbing machine, we cooperated. One made the casting patterns > and saw them through the local foundry, another did the heavy > machining and I did the small parts like feedscrews and their nuts. > It occurs to me that several handy people could combine their skills > to produce replica Bygraves slide rules. There will surely be > someone who knows where to access tubing in which each size nests > snuggly in the next largest size, someone else will know how to > produce hard-wearing replica scales, another may be prepared to turn > the bobbins at each end and I would volunteer to do small bits of > metalwork. The results do not have to make profits, though a little > would be nice. Since there seem to be very few surviving Bygraves > calculators, one could at least have the satisfaction of owning a > replica. The starting point of course would have to be accurate, > dimensioned drawings of an original, preferably following the metric > system, so the manufacturing consortium would not have to be > confined to the USA. > > Any offers/takers? > > > > --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---