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Philip Fox

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The Rotation Period Of The Sun: As Determined From Measures Of Plates Taken With The Rumford Spectroheliograph (1921)
The Rotation Period of the Sun as Determined from Measures of Plates Taken with the Rumford Spectroheliograph - Primary Source Edition
Be Present: Positivity Journal
Birthday Reminder Book Small Birthday Reminder Book, Personal Calendar of Important Celebrations (Never Forget a Birthday Again) (Volume 1)
Historical and Descriptive Introduction: Measures of Double Stars...
Historical And Descriptive Introduction
Birthday Reminder Book Small Birthday Reminder Book, Personal Calendar of Important Celebrations (Never Forget a Birthday Again) (Volume 5)
Birthday Reminder Book Personal Calendar of Important Celebrations (Never Forget a Birthday Again), Mini Book (Volume 2)
The Rotation Period of the Sun as Determined From Measures of Plates Taken With the Rumford Spectroheliograph
Birthday Reminder Book Personal Calendar of Important Celebrations (Never Forget a Birthday Again), Mini Book (Volume 3)
Birthday Reminder Book Personal Calendar of Important Celebrations (Never Forget a Birthday Again), Mini Book (Volume 4)
The Rotation Period Of The Sun: As Determined From Measures Of Plates Taken With The Rumford Spectroheliograph (1921)