1st. The scourer used in the Eureka is constructed of the best imported _cast sheet_ steel, manufactured and rolled expressly for this purpose. The scouring is done on an entire smooth surface, and by direct action on the grain, thoroughly scours and polishes the berry without waste, and at the same time retains its scouring qualities until the scouring case is entirely worn out. As the beaters or fan blades of the revolving scouring cylinders are chilled cast-iron, they will last for years without perceptible wear, and when the steel case is worn out by severe friction of the grain, can be replaced at a small expense. All machines are so strongly and permanently built, and the revolving cylinder so perfectly balanced, that they will, with ordinary care, last for years, with the small additional expense of renewing the scouring case, once in from three to five or eight years, as the case may be. 2d. For its entire reliability in cleaning the worst samples of smutty wheat; the preliminary or first separator is attached to all the No. 0, 1, 2 and 3 Ordinary sizes, which removes smut balls, dust, chaff, chess or cheat, and light and worthless grains, before the wheat goes to the scourer. As the scourer is thoroughly ventilated, supplied by air at the bottom, and discharging the smut and dust loosened from the grain during the process of scouring, through the perforations of the scouring case, and the fan at the same time drawing a strong current of air through the revolving cylinder, there is no possibility of the grain coming in contact with smut and dust during the process of scouring. Most of the so-called close scouring machines that are now being urged upon millers are destitute of this important principle, and hence worthless. 3d. The Eureka, so far as we know, is the only machine that has a perfect shoe attachment, and where the machine is the best known is always invariably ordered. It requires little or no attention, being driven by a belt from main shaft of the machine and a spring pitman; it makes no noise, and with the improved double screen, takes out more headings, straw joints, rat filth, corn and oats, than can possibly be taken out with the rolling screen, while the cockle screen takes out cockle, sand, etc., and we earnestly advise all persons ordering the No. 0, 1 or 2 machines, to order the shoe in all cases. It is now very seldom that we have an order for either of the three sized machines above referred to without the shoe, and in nine cases out of ten when machines are so ordered, the shoe is afterwards ordered, thereby causing extra expense and trouble. The last reason we shall give is that this is, in all respects, the best wheat cleaning machine in the world; this to millers is an important consideration, and cannot well be overlooked. In Ordering Smut Machines,