162 Specificatzon of Mr. Brown's Patent.[Sept.

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piece of metal, to keep out the water and dirt, as before.

The larger plates, A B,&c. are let into the large end of the|

Dave, or Stock of he wheel, and. the plates, G. H,.into.the small end, 50 that the plates may be even with rbe wood. There must be.a Small hoop let iuto the stock for the edges of the plates to rest on, but when the wood of the naye or Stock is not large enough, that the plates Should be let into“ the wood; tben the thickness of tbe plates, with the wheels, &c. between them, must be cut off tne wood, and a ztrong broad hoop driven on, and projected out, s0 that tbe plates, &«. may litinto it. The plates are held firmly into the nave by three bolts, as L, which pass through the plates A B, in Wie holes m m m, and pasSing tbrough the naye, ,.90 through the plates GH, in the holes n n n. Qa the top ot the three bolts, between the plates G H, must be placed lhree stops, as 1, to keep the plates Separate at proper distance for the wheels to move round freely. On the outside plate, at each end ol the nave, theye must be a thin piece of metal over the hoies aa aaa22, In the plate A, and over the holes 5,9.28.9 8,yin he piate G, to keep out water,&C. This gize in the drawing will Suit any Small carriage, whose axle- vee ar the Shoulder is one and a quarter inch, and at the 5:nall end one inch, and where the axle-tree is larger, the Plates, whecls, bolts,&c. must be made proportionably larger and Stronger.

Figure 2, for windlasses. AA A A and BBBB, are two iron or metal plates for a windlass. There are five wheels, with fxed jron pins between the two plates, round the neck of the windlass. The two foremost ones are larger, as C, and their pips move round in the holes a as The lesser Lhree are, as D, and their pins move round in the holes bbb. "The plates take in 1wo parts, where the white is marked; the larger part 1s let into the bitts, and the smaller into the cheek; 50 that tbe wipdlass may be takey down when required. Ze

lates are firmly beld into the bitts and cheek ot ihe windlass M fßve bolts, as E, which pass through. the holes. in„the Plates CCCCCLC. On to the plates: AA AA, must be cast two Square pieces, as dd, which fit into the holes e e, in the plates B B BB, 50 asto keepthe plates true wirh each other; tbese plates, It wade of cast iron, must be about one and a quarter inch thick, but if wrought iron, about Seven-eights of an inch."Phis improvement will'auswer, equally. well for windlasses used on Shore.

- Figure 3, for the capstans of large Ships. AAAA and BBBB, are two iron or metal plates, between which are placed Six wheels round the barrel of the capstan. The twq foremost are larger, as C, and-their pins moye round in.ihe