Improvements in Apparatus for Testing the Quantity of Cream in Milk.
Year: 1891

page_text: COMPLETE SPECIFICATION.
[Communicated from abroad by LAURITZ JENSEN AUGUSTENBORG and RASMUS
HANSEN, both of Kolding (Jylland), in the Kingdom of Denmark.]
Improvements in Apparatus for Testing the Quantity of Cream
in Milk.
I, HENRY EDWARD NEWTON of The Office for Patents, 6 Bream's Buildings,
Chancery Lane in the County of Middlesex, Patent Agent, do hereby declare the
nature of this invention and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement :-
The object of this invention is to provide a simple and economical apparatus for
testing the quantity of cream contained in a sample of milk, and the apparatus
consists of a main toothed wheel suitably mounted, and which is driven by hand.
The wheel is connected with, and gives rapid rotary motion to a spindle, on the
upper end of which is fixed a circular table arranged to carry radially a number of
test tubes to contain the sample of milk. Above the table is a reservoir to contain
hot water or other liquid, by which the air which comes in contact with the test
tubes, when the table receives rapid rotary motion, is heated. The whole apparatus
is enclosed in a suitable casing.
In the accompanying drawing,
Fig. 1 is an elevation of the apparatus, with one side of the casing removed.
Fig. 2 is a section of the rotating table; &,
Fig. 3 is a plan view of the same.
S is the casing which surrounds the working parts, which carries at its upper
part a plate with a raised edge or flange q.
Inside this circular raised edge or
Hange is placed a water tank L, resting on a ring s secured to the flange, and
which is covered by a loose cover N. G is a forked curved standard which is
secured to a suitable base plate, and in the fork is placed the large toothed wheel E,
which is mounted on a short horizontal axle K.
The standard has at its upper end a sleeve or socket G¹ for the vertical axle or
spindle A, which rests in a step bearing B. On the spindle is placed a worm D,
in which take the teeth of the wheel E. P is a table mounted on the upper end of
the spindle A, on which table the test tubes are placed. M is a cover to be placed
over the table (see Figs. 2 and 3). V is a raised edge or flange to the table, and
on the inside of this flange, blocks rare fixed, with an interval between each, and
in each of these intervals is fixed a piece of caoutchouc h. At the centre of the
table is placed round the spindle A, a wooden disc m, and round this a caoutchouc
ring g; between this ring and the caoutchouc pieces h, the test tubes n are placed,
radially of the table.
The table is placed in the space between the water tank L and the plate Q.
The object of the water tank is to raise the temperature in said space, and with
this view the water tank is filled with boiling water. By means of a handle on
the axle K, rapid rotary motion will, through the worm and worm wheel, be given
to the table, which causes a quick circulation of the hot air, which is sucked in
at i, Fig. 2, and passing round the test tubes », pours through openings in the
flange of the table at . T is a tube in which a thermometer may be placed,
and R indicates a hinged door.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed (as communicated to me from
abroad), I declare that what I claim is :
1. An apparatus for testing the quantity of cream in milk, consisting of a table

page_text: to carry the test tubes placed on a spindle, to which rapid rotary motion is com-
municated.
2. The combination with a rotating table on which the test tubes are carried, of
a caoutchouc ring g, the blocks and the caoutchouc pieces h, as and for the
purpose set forth.
3. In apparatus for testing the quantity of cream in a sample of milk, the com-
bination with a rotating table for carrying the test tubes to contain the milk, of a
reservoir or tank for heated water for raising the temperature in the space in
which the table is placed, substantially as shewn and described.
Dated this 1st day of September 1891.
NEWTON & SON,
Agents for the Applicant.