Astrolabe Catalogue

 

Date 18th century
Place Persia (?)
Material Brass
Inventory no. 50180
Acquisition Presented by J. A. Billmeir in 1957
There are 6 plates with latitudes ranging from 22°0' to 66°0' .

Latitude 22°0'

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Inscribed:
Transcription Translation Notes Type
عرض كب Latitude 22 Latitude
ساعسته بج كب Hours 13h22m Hours of daylight
مشرق East Direction
مغرب West Direction
More information

Latitude 25°0'

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Inscribed:
Transcription Translation Notes Type
مشرق East Direction
مغرب West Direction
عرض كه Latitude 25 Latitude
ساعسته بج ل Latitude 25 Latitude
More information

Latitude 29°0'

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Inscribed:
Transcription Translation Notes Type
عرض كط Latitude 29 Latitude
ساعسته بج نح Hours 13h58m Latitude
مشرق East Direction
مغرب West Direction
More information

Latitude 37°0'

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Inscribed:
Transcription Translation Notes Type
عرض لز Latitude 37 Latitude
ساعسته بج بد ل Hours 14h30m Hours of daylight
مشرق East Direction
مغرب West Direction
More information

Latitude 30°0'

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Inscribed:
Transcription Translation Notes Type
عرض ل Latitude 30 Latitude
ساعسته بج يج نح Hours 13h58m Hours of daylight
ساعسته يج نح Hours 13h58m Hours of daylight
مشرق East Direction
مغرب West Direction
More information

Latitude 32°0'

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This tympan was originally engraved for a different latitude and a different length of daylight. The former values are no longer legible under the later numbers.. Inscribed:
Transcription Translation Notes Type
لعرض لب كه For latitude 32°25' This latitude has been engraved over the initial value, which looks to have been 30­° and some minutes.. Latitude
ساعسته بج نح Hours 13h58m Like the latitude, the length of the day has been engraved over the initial value. Originally, the value was 14h and some minutes.. Hours of daylight
المشرق ُEast Direction
المغرب West Direction
More information

Latitude 32°0'

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Inscribed:
Transcription Translation Notes Type
لعرض لب Latitude 32° Latitude
ساعسته بج بد ز Hours 14h07m Hours of daylight
المشرق East Direction
المغرب ًWest Direction
More information

Latitude 38°0'

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Inscribed:
Transcription Translation Notes Type
لعرض لح Latitude 38 Latitude
ساعسته بد لط Hours 14h39m Hours of daylight
المشرق East Direction
المغرب West Direction
More information

Latitude 24°0'

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Inscribed:
Transcription Translation Notes Type
عرض كد Latitude 24° Latitude
ساعسته بج كد Hours 13h24m Hours of daylight
الشمال East Direction
المغرب West Direction
More information

Latitude 66°0'

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Tablet of ecliptic coordinates.. More information

Latitude N/A

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Tablet of horizons.. This plate contains 1 scales of the following type(s): Table of Horizons More information

Latitude N/A

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Tablet of horizons.. This plate contains 1 scales of the following type(s): Table of Horizons More information
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