Next message: Alexandre E Eremenko: "Re: Buying a sextant- a cautionary tale."
Alex wrote-
| George,
| In a previous message I suggested some alternative
| to displacing the index method.
| How large is the area on the arc that you cannot read?
From 5 deg on the arc to 5 deg off the arc, the fine divisions were completely gone. Between 5 and 10 on the arc, they could be
read against the Vernier with great difficulty.
Do take account of the fact that a sextant may be used to measure lunar distances in the night, and small angles such as height of a
lighthouse, for distance-off, in the daylight.
George.
===============
contact George Huxtable at
or at +44 1865 820222 (from UK, 01865 820222)
or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
