Image of an AG Thorton AG MK III Slide Rule
This image was emailed to me of a Pilot Balloon Slide Rule MK III, Presently I have no further information about the rule other than they were in fact produced.
Martin Brenner's, Pilot Balloon Resources |
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Image of an AG Thorton AG MK III Slide Rule This image was emailed to me of a Pilot Balloon Slide Rule MK III, Presently I have no further information about the rule other than they were in fact produced.
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