Search: Talbot, William Henry Fox in author 
Sorted by:

Showing 61–80 of 87 items

Herschel1355

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 17.305a
Summary:

Preparing his calotype paper for publication. Looking for a summer house, somewhere interesting to photograph.

Contributor:
John Herschel Project

Herschel1356

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[6 April 1841]
Source of text:
RS:HS 17.306a
Summary:

Reports receipt of a communication, which argues that all elements are merely isomers of one substance. Expresses support for such a view.

Contributor:
John Herschel Project

Herschel1357

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[19 May 1841]
Source of text:
RS:HS 17.307
Summary:

Some details of improvements in the calotype method.

Contributor:
John Herschel Project

Herschel1358

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[12 June 1841]
Source of text:
RS:HS 17.308
Summary:

Sends JH sample of chemicals and paper to make calotype himself.

Contributor:
John Herschel Project

Herschel1359

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1 July 1841]
Source of text:
RS:HS 17.309a
Summary:

Has read WT's paper before the R.S.L. and now complains they will not print it in the R.S.P.T. as they understand it has appeared elsewhere.

Contributor:
John Herschel Project

Herschel1360

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[25 July 1841]
Source of text:
RS:HS 17.310a
Summary:

Reports on paper by Samuel Brown to the Royal Society of Edinburgh on the conversion of carbon to silicon, and other transmutations. Reports on discovery of new element, ozone, and complains further about R.S.L. Council.

Contributor:
John Herschel Project

Herschel1362

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 April 1842]
Source of text:
RS:HS 17.311
Summary:

Sends JH samples of his calotypes. Off to Germany on a photographic expedition.

Contributor:
John Herschel Project

Herschel1363

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[2 June 1842]
Source of text:
RS:HS 17.312
Summary:

Carl Steinheil has proposed making telescope mirrors by plating silver on glass. Is writing to JH to tell him that somewhat earlier he had included this process in one of his patents.

Contributor:
John Herschel Project

Herschel1364

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[22 March 1843]
Source of text:
RS:HS 17.313
Summary:

JH's account of a comet reminds WT of a strange sighting many years ago. Comments further on improvements in photography, both those made and those needed.

Contributor:
John Herschel Project

Herschel1365

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 March 1843]
Source of text:
RS:HS 17.314
Summary:

Describes observing of comet that evening.

Contributor:
John Herschel Project

Herschel1366

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[29 March 1843]
Source of text:
RS:HS 17.315
Summary:

Suggests 'amphitype' as name for JH's process whereby same picture can go from negative to positive. Further comments on comet sighting, and on some improvements to Daguerreotype.

Contributor:
John Herschel Project

Herschel1367

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[5 April 1843]
Source of text:
RS:HS 17.316
Summary:

Comments on JH's positive calotype. Suggests comet may be return of (J.-D.) Cassini's comet of 1668. Gives theorem for finding parabolic orbit of comet if two observations are made in the ecliptic.

Contributor:
John Herschel Project

Herschel1369

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[8 September 1844]
Source of text:
RS:HS 17.317
Summary:

Some comments and questions on mathematics.

Contributor:
John Herschel Project

Herschel1368

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[16 September 1844]
Source of text:
RS:HS 17.318
Summary:

Comments and questions about a 'cone of the second order' in mathematics.

Contributor:
John Herschel Project

Herschel7549

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[20 October 1847]
Source of text:
RAS:JH Archive 10/5.66; Reel 9
Summary:

Grateful for receipt of JH's Cape Results. Sending photographs by several artists to show that 'knowledge of the art is spreading.'

Contributor:
John Herschel Project

Herschel1370

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[26 October 1847]
Source of text:
RS:HS 17.319
Summary:

Comments on astronomical symbols, and position of camera when photographing buildings.

Contributor:
John Herschel Project

Herschel1371

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[4 February 1848]
Source of text:
RS:HS 17.320
Summary:

Has performed experiments measuring the deviation of spectra through an obliquely placed diffraction grating. Believes they strongly support the wave theory of light.

Contributor:
John Herschel Project

Herschel14458

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 November 1850]
Source of text:
TxU:H/M-0547; Reel 1093
Summary:

Congratulates JH on appointment to Mastership of Mint. Hopes JH, as member of Cambridge University Commission, will introduce needed reforms.

Contributor:
John Herschel Project

Herschel1372

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
1851-5-6 or earlier
Source of text:
RS:HS 17.321
Summary:

Refers to process which produces pictures that are negative or positive depending upon the light. Hopes to use it to photograph lunar landscape. Wants to call it 'amphitype' if JH agrees.

Contributor:
John Herschel Project
Text Online

Faraday2437

From:
William Henry Fox Talbot
To:
Michael Faraday
Date:
15 June 1851
Source of text:
RI MS Conybeare Album, f.37
Summary:

No summary available.

Contributor:
Faraday Project
Author
Addressee
Correspondent
Date
Document type
Repository
Contributor
Transcription available