Letter, from Heinrich Christian Schumacher to Sir John Herschel, dated at Altona

Reference number: HS/15/407

Date: 16 April 1850

Description

Autograph letter signed by sender. Asks John Frederick William Herschel to accept sunspot observations made over 14 years by the late [J. W.] Pastorff of Altona Observatory. Accompanying micrometrical measurements are worthless due to mounting of telescop

Reference number: HS/15/407
Earliest possible date: 16 April 1850
Page extent: 4 pages
Format: Manuscript
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Heinrich Christian Schumacher

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Citation

Heinrich Christian Schumacher, Letter, from Heinrich Christian Schumacher to Sir John Herschel, dated at Altona, 16 April 1850, HS/15/407, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_15_407/letter-from-heinrich-christian-schumacher-to-sir-john-herschel-dated-at-altona, accessed on 14 June 2025

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https://makingscience.royalsociety.org/items/hs_15_407/letter-from-heinrich-christian-schumacher-to-sir-john-herschel-dated-at-altona

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Hierarchy

This item is part of:

Correspondence of Sir John Frederick William Herschel
1812-1870 Creator: Sir; John Frederick William Herschel Reference number: HS
Correspondence of John Frederick William Herschel: volume 15 Sabine-Selwyn
1820-1870 Reference number: HS/15

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Heinrich Christian Schumacher
Creator
John Frederick William Herschel
Recipient

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Herschel Letters

This collection of nearly 10,900 letters, drafts, copies and notes is the largest repository of scientific correspondence from and to Sir John Herschel, leading figure of Victorian science.

Dates: 1807 - 1875

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