Cooke Kingston sounding sextant
Sounding sextant by Cooke Hull.
Product details: Cooke Kingston sounding sextant | Cooke Hull | Quintant | Survey | Material: Brass
The Kingston sextant is not named after the capital of Jamaica but rather after the Kingston Observatory in Hull, home to B. Cooke and Son who manufacturerd this sextant. They are one of the few surviving original sextant makers and this sextant is still on sale (as old stock). The company no longer makes new sextants but rather sells the Chinese version of the Plath which looks a lot like this one but differs from it as it was modelled after the Plath classic sextant. This is an original Cooke and as such not a new one (which is still being sold at 'old' prices). However this one is in good condition. .
It differs from the Plath which it resembles by having a the legs for placing it upside down, some differences in the frame itself, a different handle and telescope as well as a completely different way of mounting the telescope. Where the Plath uses a groove and clamp system, this sextant uses a sliding plate which is clamped (without any groove in the plate).
More information:
cooke kingston sounding
Data sheet
- Year
- 1985
- Serialnumber
- S5303
- Type of use
- Survey
- Material
- Brass
- graduation
- deg
- measuring range
- 140 (130)
- Radius limb in mm
- 155
- accuracy
- 10"
- fine reading
- drum micrometer
- image direction
- upright
- Size instrument (l x w x h) in m
- 0.24 x 0.25 x 0.14
- weight instrument in kg
- 1.7
- Size case (l x w x h) in m
- 0.30 x 0.33 x 0.16
- weight case & in kg
- 2.7
- country obtained from
- United Kingdom
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Sounding sextant by Cooke Hull.
Product details: Cooke Kingston sounding sextant | Cooke Hull | Quintant | Survey | Material: Brass