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apply to them; but finally These angels' wings were

were at a loss what name to called them" angels' wings." taken to the upper story of our mill, which is much higher than the others, and they disseminate moisture; making the work go easier, the hands happier and the air cooler. This apparatus has worked very satisfactorily. For the lower stories we adopted a different process, and put in this apparatus which I have here, which was introduced by Mr. WALLACE, and perhaps he will speak for it himself.

Mr. WALLACE. I should like to have you describe it.

(A section of two Atomizers, in the room, was first put into operation and used in illustration.)

Mr. SMITH. Mr. WALLACE's design is to run the supply pipe from the town or city pressure, or from a pump. We put in a horizontal pump. This pipe (indicating on the Atomizer) runs through and supplies these heads here, which you can locate to suit the height of your mill. This chain is hitched at the end of the mill, and you can open the valves and give more or less moisture, as you choose. We first used the chain; but some of these orifices in the valve would get stopped up more than others, and they would discharge their moisture unequally; and then, owing to the draft of air in the room, the moisture would condense and come down on the floor and on the machinery; and so we have discarded the chain. Most of our weavers keep a stick by the side of their looms for measuring the width of the cloth; and with that stick they reach up and close or open these valves as necessity requires; and so each weaver at a set of looms can regulate the moisture to suit himself or herself, as the case may be. I have taken pains to observe how nearly these employees, who are simply weavers, would regulate the moisture for their work. Hardly ever do I pass through the mill and find these valves shut off entirely. Sometimes

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A PRINT AND DESCRIPTION OF

WM. V. WALLACE'S

GRADUATED VALVE

AIR MOISTENER AND COOLER.

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HIS Valve is substantially made of non-corrosive gun metal, and is worked by ordinary water pressure alone, and may be screwed to a T or 3-8 opening in a water pipe anywhere. A 3-4 inch water pipe may run the length of a room, over an aisle, with T's reduced to 3-8, placed where vapor heads-valves are needed. a, a. Automatic valves of non-corrosive bronze, 10 to 20 feet apart. B, B. 3-4 inch galvanized iron cold water supply pipe. C, C. 1-2 inch plain iron return pipe and fixtures. E, E, E. A steel safety chain attached to the arms which rock the valves, and passes over pulleys at either end of the line, being weighted at the right and hooked at the left. Unhook it, and let the weight slightly turn all of the valves, and it will increase the flow of the vapor. The reverse motion diminishes it, thus meeting the requirements of atmospheric changes. 2, 2. Bessemer steel arms and joints to regulate the valves. G. End of room.

The fitting of a room is plain piper's work.

The water and waste pipes

are connected and pitch 1 inch in 20 feet to the left that the waste may be discharged.

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I would go through when they were at dinner, and shut them all off, and come in after dinner and find them all open. They feel the difference in their work, at once. This advantage of having moist air in the mill you all understand. This little valve (pointing it out) has a thread cut upon it similar to a letter V; and as the stem is turned, one way or the other, the opening for the passage of water is opened or closed. This part we have discarded, for fear the pipe would get stopped up. These little wings here (pointing), under the spray valve, were not large enough, and sometimes the moisture would be too much in one place and condense, and twenty feet from there the moisture would not condense; and so we have put in larger wings, here, to catch the condensation. These are différent. from the aerophor or the GARLAND system, for the reason that, if you desire it in any particular spot, you can run a pipe from it to where you want it, and you have your moisture.

Two heads of the moistening apparatus were placed in the office, where we are troubled with dry air, and we have found them to be a great comfort, not only for the physical condition, but also preventing our papers and books from becoming so parched and dry. As to the merits of these different apparatus for moistening the air, we should hardly be prepared to say that any one possessed all the merits, but that all had good features. The size of the mill, and the height between the stories, and other conditions, would enter into consideration as to which one of the different processes we should use. The particular feature of the WALLACE process is that it is portable, and can be placed in any location where there is room to put an inch wrought-iron pipe; and also the parts are very accessible and not subject to stoppages from fungus or sediment that is more or less present in the water which would be used for such purposes; for the reason that the valves can be opened and a flush given, which, unless the substance is very tenacious, will clean the small crevices in the valve.

Mr. W. J. KEnt. I am glad to hear that Mr. SMITH's help are so harmonious, and run the temperature so nicely. If we had that kind of apparatus in our mill, and allowed the help to tamper with it, we should have to keep sixteen policemen to regulate them. Have you any rule about the humidity or temperature in different rooms?

Mr. SMITH. In the Greenwoods Company's mill at New Hartford we have quite a number of different kinds of apparatus for testing or indicating the quantity of moisture in the atmosphere; most of which have found their way on the shelf, for the reason that it has not been found necessary to have any rigid rules in regard to their use. The overseer and help seem to understand, or know intuitively, when there is sufficient moisture in the air; the warps seeming to be a better indicator than any of the so-called hygrodeiks. The atomizers are opened and closed as necessity requires; being better indicated by the running of the work, and the feeling of the help, than by any apparatus that we have thus far been able to secure.

Mr. S. N. BOURNE. We have one room fixed up in that way, but we have not had the trouble that Mr. SMITH tells about. We have used the apparatus only for a few months. They are all connected with a chain, and they don't need any angels' wings.

Mr. SMITH. That was the other apparatus.

Mr. BOURNE. The room I put this arrangement into is used for spinning. Before, we had trouble with electricity; but since we have introduced this arrangement the electricity gives us no trouble. If one gets stopped up, a little pulling up of the chain once or twice seems to work out the obstruction; but very seldom we have to do that. As far as we have used it we are very much pleased with it. I have ordered some more, but the man who furnished this is one of those slow fellows, and we have not got them yet. There is one advantage about it, and that is, we have not any pumps to

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