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Showing 1 to 15 of 192 results
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Endangered Records in the Boyden Observatory Archive
Boyden Observatory - named for the American engineer Uriah A. Boyden (1804-1879) - was established as a southern station of the Astronomical…
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Variable star observations by Alexander William Roberts for the period 1891-1933
This series contains 95 sets of handwritten documents, dated between 1891 and 1933, containing original astronomical observations made by A. W.…
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നൂറു വർഷത്തെ കലണ്ടർ
A sepcial calendar prepared by Hamid Koyamma Thangal of Chavakkad has the dates and their corresponding days in Islamic and gregorian calendar for…
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نمسكرا سامية كانككل
Table containing the multiplication table of 60X60 used for calculating prayer timings easily. Such tables are kept generally in mosques and…
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A. W. Roberts' handwritten notes and observations of S Sculptoris and other stars
The material consists of data on five stars, and two letters. Stars: S Sculptoris (Ch 62) draft article. RV Sagittarii (Ch 6608) draft article. S…
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A. W. Roberts' variable star observations for 1904 (Part 1 of 2)
Original observations for the period 1904 January 07 to 1904 June 14, as well as a few pages with notes. Previously listed as R046. Split into two…
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A. W. Roberts' handwritten notes and observations of S Lupi
Observations of S Lupi (Ch 5320). The star is identified variously as S Lupi, S Lupus, Ch. 5320 and Ch. 5321. Includes notes, diagrams, and…
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A. W. Roberts' handwritten notes and observations of Y Carinae (Part 2 of 2)
Observations of Y Car. The star is designated as AZC 2067, and as both Ch 3767 and Ch 3777. Includes notes, diagrams, register of observations and…
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A. W. Roberts' handwritten notes and observations of S Normae
Observations of S Nor (5823). On one cover sheet the star is designated "R [deleted] S Normae. 5823". Includes notes, diagrams, graphs (…
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A. W. Roberts' handwritten notes and observations of R Indi and RV Sagittarii
Observations of R Indi (Ch 8093, GC 30765) (1 bundle) and RV Sagittarii (Ch 6608) (2 bundles). Observations of R Ind cover the period 1896 June 27…
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A. W. Roberts' variable star observations for 1904 (Part 2 of 2)
Original observations for the period 1904 June 14 to 1904 November 05. Includes notes about clock time. Previously listed as R046. Split into two…
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A. W. Roberts' handwritten notes and observations of R Crucis (Part 2 of 2)
Handwritten notes and diagrams about R Crucis. Reference is made to T Crucis and R Puppis. Bundle 1 is titled "First determination of period…
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A. W. Roberts' handwritten notes and observations of AF Carinae and RR Carinae
Observations of AF Carinae (Ch 3663a, CD -58°3107) and RR Carinae (Ch 3569, AGC 13624). RR Car draft article, notes, calculations and observations…
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A. W. Roberts Miscellaneous Papers No. 10 (Part 2 of 2)
An undated collection of papers, which, with a single exception, are astronomically themed, mostly about variable stars. The single exception is…
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A. W. Roberts' variable star observations for 1917
Summary of observations made between 1917 January 10 and 1917 December 22. Several comments about clock time. Previously listed as R013. Found in a…
