Unpublished paper, 'On the solution of silica in steam' by Julius Jeffries
Reference number: AP/23/32
Date: 30 March 1840

Description
Jeffries observes that the inner surfaces of a flue built of siliceous bricks appears to be deeply eroded by the passage over it of steam at a very high temperature, and fragments of siliceous materials laid in the course of the current have been partially consumed. A siliceous crust is apparent on several vessels of stone ware, coated with a micaceous glaze, placed in the upper part of the furnace, and this crust was re-dissolved when the vessels were removed to a hotter situation in the same furnace. Jeffries refers to the experiments of Dr. Turner and others, which failed in showing the solubility of silica by steam, in consequence, as he conceives, of the heat having not been sufficiently great to effect the solution.
Annotations in pencil throughout.
Subject: Physical chemistry
Received 2 April 1840. Communicated by James Forbes Royle.
Written by Jeffries in London.
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'On the solubility of silica by steam; with an account of an experiment on the subject, conducted in the East Indies by Julius Jeffreys, late of the Hon. East India Company’s Medical Establishment'.
- Reference number
- AP/23/32
- Earliest possible date
- 30 March 1840
- Physical description
- Ink and graphite pencil on paper
- Page extent
- 23 pages
- Format
- Manuscript
Creator name
Julius Jeffries
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Citation
Julius Jeffries, Unpublished paper, 'On the solution of silica in steam' by Julius Jeffries, 30 March 1840, AP/23/32, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_23_32/unpublished-paper-on-the-solution-of-silica-in-steam-by-julius-jeffries, accessed on 08 February 2025
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Hierarchy
This item is part of:
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Archived papers: volume 23, scientific papers submitted the Royal Society unpublished or abstracted, 1838-1840
1838-1840 Reference number: AP/23
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John Forbes Royle
Communicator
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Archived Papers
Dates: 1768-1989
The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.View collection