A NEW OR IM. PROVED COMPOSITION TO BE USED AS A COATING FOR PRESERVING METAL AND OTHER SURFACES, ALSO AS A CEMENT OR LUTING
Year: 1869

page_text: LETTERS PATENT to William Edward Gedge, of the Firm of John
Gedge and Son, of No. 11, Wellington Street, Strand, in the County
of Middlesex, Patent Agent, for the Invention of "A NEW OR IM.
PROVED COMPOSITION TO BE USED AS A COATING FOR PRESERVING METAL AND
OTHER SURFACES, ALSO AS A CEMENT OR LUTING."-A communication
from abroad by Jules Crouzières, of Ollioules (Var), France.
Sealed the 6th May 1870, and dated the 13th November 1869.
PROVISIONAL SPECIFICATION left by the said William Edward Gedge
at the Office of the Commissioners of Patents, with his Petition,
on the 18th November 1869.
I, WILLIAM EDWARD GEDGE, of the Firm of John Gedge and Son, of
No. 11, Wellington Street, Strand, in the County of Middlesex, Patent
Agent, do hereby declare the nature of the said Invention for " A NEW
OR IMPROVED COMPOSITION TO BE USED AS A COATING FOR PRESERVING METAL
AND OTHER SURFACES, ALSO AS A CEMENT OR LUTING," a communication to
me from abroad by Jules Crouzières, of Ollioules (Var), France, to be as
follows:-
This improved mastic is applicable to a variety of uses. It depends
essentially upon the preparation of the various matters composing it,

page_text: which are, sulphur, coal tar, gutta percha, white lead, minium or red
lead, resin, pitch, and spirit of turpentine combined by being added
successively the one after the other. These matters thus prepared arc
applied hot, and form an insulating mastic which will preserve iron
and other metals from oxydation to whatever uses they may be applied,
and which has the property of preserving wood from decay whether
immersed in water or set in the ground. The use of this composition
extends likewise to building purposes generally. Walls may be coated
with it to protect them from damp; and it may also be used for coating
the papers and cloths hitherto coated with tar, which soon wears off
when exposed to wet or heat.
Railway.companies will find this composition very advantageous and
economical both for sleepers and telegraph posts.
This composition has the advantage that it may be used as thick or as
thin as circumstances may require; for example, when to be applied as
a cement or luting for gas or water pipes it will be prepared of greater
consistency than when to be used as a coating for wood, metal,
buildings, paper, cloth, or analogous applications.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said William Edward Gedge in the Great Scal Patent
Office on the 11th May 1870.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
EDWARD GEDGE, of the Firm of John Gedge and Son, of No. 11,
Wellington Strect, Strand, in the County of Middlesex, Patent Agent,
.send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Thirteenth day of November, in the
year of our Lord One thousand eight hundred and sixty-nine, in the
thirty-third year of Her reign, did, for Herself, Her heirs and suc-
cessors, give and grant unto me, the said William Edward Gedge, Her
special licence, that I, the said William Edward Gedge, my executors,
administrators, and assigns, or such others as I, the said William
Edward Gedge, my executors, administrators, and assigns, should at any
time agree with, and no others, from time to time and at all times

page_text: thereafter during the term therein expressed, should and lawfully
might make, use, exercise, and vend, within the United Kingdom
of Great Britain and Ireland, the Channel Islands, and Isle of Man,
an Invention for "A NEW OR IMPROVED COMPOSITION TO BE USED AS A
COATING FOR PRESERVING METAL AND OTHER SURFACES, ALSO AS A CEMENT OR
LUTING," a communication to me from abroad by Jules Crouzières, of
Ollioules (Var), France, upon the condition (amongst others) that I,
the said William Edward Gedge, my executors or administrators, by
an instrument in writing under my, or their, or one of their hands and
seals, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and
cause the same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE, that I, the said Willian Edward Gedge, do
hereby declare the nature of the said Invention, and in what manner
the same is to be performed, to be particularly described and ascer-
tained in and by the following statement :-
The composition the subject of this Invention is composed essentially
of sulphur, coal tar, gutta percha, white lead, minium or red lead, and
spirit of turpentine, to which may be added resin or pitch, either or both
according to the application to be made.
I will describe the preparation of this composition when it is intended
to be used as a coating for wood or metal to be laid in the ground
or immersed in water, premising that the proportions given are only
approximative and will vary with the quality of the ingredients and
the circumstances of particular cases.
Take of sulphur, say
Coal tar
Gutta Percha
-
Minium or red lead
وو
-
38 per cent.
•
20
"
-
5 "
"
-
-
6
33
"

page_text: them from humidity or decay, or as a cement or luting, and with or
without the addition of pitch or resin.
In witness whereof, I, the said William Edward Gedge, have here-
unto set my hand and seal, this Eleventh day of May, in the
year of our Lord One thousand eight hundred and seventy.