SLOT-NOZZLES. 
203 
let orifice, having a curved-slot shape. The device is essentially a 
crooked adjustable slot, but such that, when set wide open, its lips act 
poly as deflectors. 
REMOVABLE slots. — A slit-nozzle manufactured under the joint pat- 
ent fKb, 251448, Dec. 27, £881) of Messrs. P. Long, De W. C. Vestal, 
and A. F. Merigot, of San Jos£, Gal., consists of a screw-cap having a 
large round perforation through its top, beneath which a slotted circu- 
lar disk can be clamped on the end of a pipe. Disks with slots of un- 
like capacity are separably intertable to produce sprays of different 
sizes. The same arrangement permits cloggiug material to be removed. 
J awed slots. — Attempts have been made to combine the slit-spray 
and solid jet in one nozzle. Most of these are not well suited for our 
purposes, but 1 must notice one which will answer well for large broad- 
cast sprays. This is sold in the market under the title of "The Boss 
Xoz/le as patented (No. 203122), in 1878, by G. > T . Raymond, and 
G. B. Perkins, of Bridgeport, Conn, it is shown in Plate XVII, Fig. 5, 
and in section at Pig. G; b represents its hose attachment, a the barrel 
and its head, through which the passage is controlled by a faucet- 
plugs s0 Cllt tnat ir ma y ue turned by the head <l to direct the water 
through the solid jet-pipe /, 01 through the slot. 9, at will. This slit 
allows the water to Spread broadly and the ping is adjustable to flatten 
the spray still more to any degree of thinness desired, or allow it to 
discharge with the full capacity of the slot. This adjustment enables 
the washing or cleaning out of foreign materials instantly from the slit, 
simply by turning the plug, which is one of the greatest advantages in 
this nozzle. 
A solid jet, with lips that close to form a slot-spray, was invented by 
Mr. L. B. Smith, of Chelsea, Mass., and secured in 1881 (Xo. 24509G). 
A section view of it appears in Plate XVII, Fig. 4; a indicates the bar- 
rel upon which a long thumb-nut, />, may be screwed backward or for- 
ward. The two peculiarly shaped lips, yy, with sides, tr, are hinged, at 
oo, upon which joints they may open or shut. The lips also have back- 
ward lever arms, xx. The nut screwed forward beneath these, holds 
the lips phut, leaving only the slot outlet, while moving the nut back 
to disengage it from the levers allows the lips to open and a solid jet is 
discharged. Similarly the slot can be opened to permit obstructing 
matters to wash out of it. 
In 1874 (No. 153977) Mr. Biddle B. Moffett, of Swedesborough, !N. J., 
patented the nozzle shown in Plate XVII, Fig. 3. " The spout, a, is cut 
under suitable inclination, and closed by rubber or other packing, 
applied to the similarly inclined front end of a spring-lever, which is 
pivoted to standard,/. The packiug, b, is of elliptical shape, and fits 
tightly over the spout of the nozzle, so as to prevent the escape of any 
water therefrom. A baud spring, w, acts on the handle of the lever, 
and forces the front end on the spout until opened by pressure on the 
lever handle, l y or on its lip. 
