New-York daily tribune., 1854-07-17
THE STREET SWEEPING MACHINE.

To find machine csRable of supplanting human
hands in the work of Sreot sing, has long been de-
sired Though much has been - of tho Street Sweep
ing Machine used in England, few to have clear
conception of Its capabilities.
BY the old system Of manual labor, the economy OF
sreotcleunsng consists mainly in sweeping into heaps
particles Of matter scattered large surface, and
then throwing them a shovel full at time, into
carts L; is obvious that any effective apparatus for the
performance of these several operations at one and the
same time must be public benefit The inventor Of the
machine claims that it is capable of eiiectng this at
great saving in time and money.
In appearance the machine resembles large covered
box upon wheels the body the ground, with very
large duspan hinged the back about midway tom the
top the end of which trails along the street. Above
this dustpan, within light iron frame, is suspended
series broad strong brooms of two feet six inches
in width attached to two endless chains running
upper and lower set of pueys suspended from suitable
bearings and springs Within the felloes of the cart
wheels cogs placed that when the wheels revolve
they give motion to a cogwheel upon each end OF the
spindle of the upper pulley that the endless chain with
its twenty lone brooms revoves also. The brooms
pended in the frame bear upon the ground, and as the
cart proceeds revolve sweeping the dust mud from the
street TO the inclined dustpan carrerpate and up
that until it falls into the box, cart. When each brush
has discharged its load into the cart its way back for
which gives it flip that removes any soil that might
have been adherng IT, In this way the machine sweeps
clean the surface which il is drawn.
The peculiary Of the machine is the oblong arrange
men of the pullies working the brooms. One advantage
derived from this form is the greater velocity which the
boards of the broOms acquire while passing around the
puics and consequently the greater the stroke of the
brush upon the street. while the dust having reached the
carrier plate conveyed into the cart at reduced speed
thereby saving the extra force and friction which would
have resulted from a continued circular movement.
Again the brooms pass around the upper pues the in
creased velocity ceanses them ehectually. If the
horse travels the Of three miles hour the brooms
move nine miles hour upon the ground three miles up
the carrier plate and six miles against the doctor around
the upper pulley.
The pressure Of the broons the surface which
they passing regulated by means Of coed spring
and chan worked by handle in the front part Of the
cart The spring is adjusted to relieve the pressure
of the broons upon the ground and at the time al
low the apparatus rise and fall according to heinequa
ties of the pavement BY the the operation
Of sweeping may be suspended when the machine full
or the surface unsweepabe or when unloading.
To draw the cart during the process Of filing, requires
rather power than would be necessary to draw the
loaded cart an equal distance. The machine requires
be drawn by strong and we-condtioned horse.
II is said that the surface daily swept in Manchester,
England, By each machine with one man and one morse,
varies from three fourandaha statute and the
quantity removed is from three loads acre,
cordng as the surface is dry or moist
The cost of working each machine day wosd be from
So TO So So exclusive of the expenses attending the dpo
sal of the sweepings II the swept daily and
the places for depong the dirt situated that little time
would be lost in taking the machines to be emped each
would cleanse in the day strip Of roadway two feet six
inches broad and twenty miles long, % 1884 square
yards. But as considerable time would be required 30
convey the dirt the place Of deposit and unload from
1900 to % 900 square yards be generally reckoned
upon the average of days work. The patentee says
this amount Of work, done e: present, would
"require the labor of seventeen abe-boded and
horse and cart" Mr. Henry Mayhew in speaking Of
the operation Of the machine in London differs from Mr.
Whitworh. He estimates tire mechanical power Of the
machine to be equal TO that Of FIVE men.
1t to be generally admitted, however, that the
machine Is certainly economical in is application
than manual labor; but there many localities incapa
bic Of being swept by IT, For instance in streets where
the surface much broken i brush would only rue and
take off the dirt Indeed Irregularities in the streets
of any kind great distinctions lis efficient opera
ton. In fair weather the services of watering machine
indispensable before machine-sweepngi for II fhe
ground be dry and dusty, the brooms viii not bite
The cos. Of each machine is about 5000, to which it
found that new of brooms required about every
four or FIVE weeks These would cos: about s2' or es'
year.
There is 10 good reason why this aveaii9u shaaa nH