IMPROVEMENTS IN OUTSIDE SHOP LIGHTS
Year: 1860

page_text: LETTERS PATENT to John Clark, of the Metropolitan Light Company,
No. 447, Strand, in the County of Middlesex, for the Invention of
"IMPROVEMENTS IN OUTSIDE SHOP LIGHTS."
Bealed the 3rd May 1861, and dated the 7th November 1860.
PROVISIONAL SPECIFICATION left by the said John Clark at the
Office of the Commissioners of Patents, with his Petition, on the
7th November 1860.
I, JOHN CLARK, of the Metropolitan Light Company, No. 447, Strand,
in the County of Middlesex, do hereby declare the nature of the said Inven-
tion for "IMPROVEMENTS IN OUTSIDE SHOP LIGHTS," to be as follows:-
This Invention consists in arranging the lamps of outside shop lights in such
a manner that a strong light shall be thrown upon the pavement in front of
shop windows as well as into the shop front, or when such light is not desirable
the pavement; it may be used for advertising purposes.
upon
I propose forming the pendant or gas pipe in a circular ring, at the bottom
of which is to be affixed the elbow and burner. At the back of the metal case
of the lamp I place a bull's-eye or lens set to the required angle so as to
throw the light from the burner (which reaches the centre of the lens) either
upon the pavement or further off as desired, the light passing through the ring
of the gas tube; or when such light is not required for the above purpose the
ring may be fitted with a glass with any announcement upon it, and used for
advertising purposes.

page_text: The lamp itself-is-supported on the elbow by legs dropping into holes for
their reception, and kept steady in windy weather by-a-brace-hooked on to an
eye in the gas tube; the chimney is provided with a fluted cap of an inverted
cone shape, and has apertures beneath for the purpose of supplying the interior
of the lamp with the necessary air, at the same time preventing the wind and
rain from entering the interior of the lamp.
In some instances I propose to use a double or treble lamp combined, and
more than one light, but in most cases a single light will be found sufficient.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said John Clark in the Great Seal Patent Office on the
7th May 1861.
TO ALL TO WHOM THESE PRESENTS_SHALL COME, I, JOHN
CLARK, of the Metropolitan Light Company, No. 447, Strand, in the County
of Middlesex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Seventh day of November, in the year of our Lord
One thousand eight hundred and sixty, in the twenty-fourth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said John Clark, Her special licence that I, the said John Clark,
my executors, administrators, and assigns, or such others as I, the said John
Clark, my executors, administrators, and assigns, should at any time
agree with, and no others, from time to time and at all times thereafter
during the term therein expressed, should and lawfully might make, usc,
exercise, and vend, within the United Kingdom of Great Britain and Ireland,
the Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN
OUTSIDE SHOP LIGHTS," upon the condition (amongst others) that I, the said
John Clark, 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 John Clark, do hereby declare
the nature of my said Invention, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement, that is to say :-

page_text: This Invention consists in arranging the lanterns of outside shop lights in
such a manner that a strong light shall be thrown upon the pavement and
road in front of shop windows as well as into the shop-front,_or_when_such
light is not desirable upon the pavement or road; it may be used for advertizing
purposes by inserting a ground or frosted sheet of glass, and writing advertise-
ments thereon.
In order to explain my said Invention as completely as possible, I now
proceed to describe the best means I am acquainted with for carrying the same
into practical effect, reference being had to the illustrative Sheet of Drawings
hereto annexed, and to the numeral figures and letters of reference marked
or when such
light is not desirable upon the pavement or road; it may be used for advertizing
purposes by inserting a ground or frosted sheet of glass, and writing advertise-
ments thereon.
In order to explain my said Invention as completely as possible, I now
proceed to describe the best means I am acquainted with for carrying the same
into practical effect, reference being had to the illustrative Sheet of Drawings
hereto annexed, and to the numeral figures and letters of reference marked
thercon respectively as follows.
DESCRIPTION OF THE DRAWINGS.
Fig. 1 is a side view of the pendant or gas pipe with the lamp attached;
Fig. 2 being a back view of the same; similar letters of reference denoting
corresponding parts at each of the Figures-respectively.
Upon reference to the accompanying Drawings the gas pendant a, a, will
appear to be formed somewhat similar to those at present in use, but having
the lower part formed in two simicircles attached to an inverted T-piece at top
and bottom, thus forming a ring through which the light from the lamp is
reflected by the lens 6 down upon the pavement or road, but when not so
required a glass with any desired announcement thereon may be placed within
the ring for the purpose of advertising; the light from the burner reaches to
or about the centre of the lens or bull's-eye which is to be placed at the back
or sides of the lantern as shewn, and may be so arranged as to adjust it to the
required angle. The lantern is supported on the gas arm or elbow by pins or
legs dropping into holes in a boss formed on the elbow, and is kept steady in
windy weather by a brace c hooked to the lamp case and pendant. The
chimney d is to be provided with a fluted cap of an inverted cone shape
having apertures beneath, or other means may be adopted for the purpose of
supplying the interior of the lamp with the necessary quantity of atmospheric
air, at the same time preventing the wind and rain entering within the case.
In some cases I use a double or treble lamp combined with more than one
light so that a longitudinal announcement may be exhibited instead of several
small circular ones, but in most instances single lamps will be found sufficient
for the purpose.
Having now described the nature and objects of my said Invention of
"Improvements in Outside Shop Lights," and the manner in which the same
is to be performed, I would remark in conclusion that I do not confine or

page_text: restrict myself to the precise details herein described and shewn in the accom-
panying Drawing, neither to the placing of a lens or bull's-eye in the back or
sides of lamps, as slight variations may be made therein without in any
way departing from the principle of my Invention; but what I claim
as my Invention intended to be secured to me by the herein in part recited
Letters Patent is, the manufacture of outside shop lights having lenses or
bull's-eyes set to the required angle either at the back or side, and through
which the flame which lights the window is also to be reflected for the purpose
of throwing a light upon the pavement and road, and when not required for
such purpose then the gas pipe which forms the ring to be filled in with any
desired announcement for the purpose of advertising, in the manner herein
fully described and shewn in the accompanying Drawing for the purposes set
forth.
In witness whereof, I, the said John Clark, have hereunto set my hand
and seal, this Third day of May, in the year of our Lord One
thousand eight hundred and sixty-one.
Witness,
ALEX". PRINCE,
Agent for Patents,
4, Trafalgar Square,
Charing Cross.
JOHN CLARK. (L.S.)