AN APPARATUS FOR INDICATING THE AMOUNT OF LIQUID IN LAMPS AND OTHER VESSELS
Year: 1884

page_text: I JAMES HARGHAVE of Burley Leeds in the County of York Gentleman do
hereby declare the nature of my invention for AN APPARATUS FOR INDICATING
THE AMOUNT OF LIQUID IN LAMPS AND OTHER VESSELS to be as follows:-
My said invention consists in two tubes each of about the same diameter and
length, made of glass, or partly of glass and any other suitable material, these
tubes I secure side by side, in one of them I put a float made of glass, cork, or
any boyant material, the other is made wider or funnel shaped at the top for
the convenience of pouring in the liquid. About the middle of these tubes I fix
a Flange.
The manner in which I fill or refill a lamp with oil, is as follows.
First I partly
withdraw the wick, and then insert the tubes as far as the Flange, which is allowed
to rest on the neck of the lamp then I pour oil down the tube with the funnel.
As the lamp gets full the float in the other tube gradually rises, and shows by an
indicator the amount of oil in the lamp. If desirable I can make one tube answer
the purpose by making the tube containing the float wider.
The apparatus may be attatched or otherwise to the can or vessel from whence
the oil is supplied.
LA 1004

page_text: COMPLETE SPECIFICATION.
I, JAMES HARGRAVE, of Burley, Leeds, in the County of York, Gentleman, do
hereby declare the nature of my invention for "APPARATUS FOR FILLING LAMPS
AND VESSELS AND INDICATING THE QUANTITY OF LIQUID THEREIN and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement:—
My said invention consists of two tubes each about the same length and
diameter made of glass or partly of glass and any other suitable material, these
tubes I secure side by side; in one of them I put a float made of glass, cork or
any buoyant material, the other is made wider or funnel shaped at the top for
the convenience of pouring in the liquid, about the middle of these tubes I fix &
flange. The manner in which I fill or refill a lamp with oil or liquid is as
follows: I first partly withdraw the wick and then insert the tubes as far as the
flange which is allowed to rest on the neck of the lamp, then I pour oil or liquid
down the tube with the funnel, as the lamp becomes full the float in the other tube
gradually rises and shows by an indicator the amount of oil or liquid in the lamp.
If desired one tube can be made to answer the purpose by making the tube
containing the float wider. The apparatus may be attached or otherwise to a can
or vessel from whence the oil or liquid is poured.
Fig. 1. in the accompanying drawings is an elevation, and Fig. 2, is a plan of
the apparatus according to my invention. In filling lamps or vessels, the parts
below the flange a, are inserted into the neck of a lamp or vessel, b, is the funnel
into which the oil or liquid is poured,-c, a metallic tube enclosing a glass tube d,
(both open to the interior of the lamp or vessel,) within the glass tube d, is a
Hoat e the head el of which can be seen through the opening f, in the tube c,
as the oil or liquid poured into the funnel and passes into the lamp or vessel and
raises the said float, which shows by graduations either on the glass tube d or on
the metallic tube c, the quantity as poured in, and as the float e, will rise to its
highest point without the liquid overflowing, thus prevents waste:
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is
The filling apparatus constructed, arranged and operating substantially as
described and shewn in the drawings.