Hi. On the inside lable it has, Chron. No. 6518126. HUSUN registered trade mark Henry Hughes & Son Ltd. LONDON. The Sextant No. 31769. Named Henry Hughes & Son Ltd. of 6" radius & reading to 10" has been examined & found satisfactory. The following corrections should be applied--Angle 30deg. correction +20" 60deg. correction +30" 90deg. correction +40" 120deg. correction +40". The shades and mirrors are satisfactory. Telescope data: Magnification 2 1/2 X Angle of field of view 7deg. Effective Aperture 1.22" The definition is satisfactory. Date 6/10/42 Signed I think this is right D.A.Perkins. It's hard to read. The other tag is how to maintain it. On the sextant it has Made in ENGLAND 31769 H.Hughes & Son Ltd. London. It is all original. And I do have the key for the box.
THANKS FOR LOOKING