-----------------------------------------+----------------- Length of Reel. | Extreme Length. -----------------------------------------+----------------- For 26 and 30 inch mill 16 feet. | 18½ feet. For 30 and 36 “ “ 18 “ | 20½ “ For 36 and 42 “ “ 20 “ | 22½ “ For 42 and 48 “ “ 22 “ | 24½ “ -----------------------------------------+----------------- They are 3 feet 6 inches wide and 6 feet 2 inches high to top of elevator. PORTABLE MILL AND BOLT. In our portable Mill and Bolt we have condensed all the advantages required of a custom mill in making a prime article of flour and much better suited for the purpose. We have not been sparing in the material necessary to make every part strong and durable, and they will bear to be continually used with a strong power without any part yielding in the least. The bolts are arranged for making all the cut-offs for changing the grade of the flour, thus using more or less bolting surface, or making more or less returns, as may be found necessary. It makes a quick and even discharge of flour from the flour spout, there are no hoppers or anything for the clogging of flour, and every customer gets his own flour from his own wheat. This is of great advantage, and if not pretty fully accomplished creates dissatisfaction with customers. The Bolts in connection with our Mills are of ample capacity when the grain is in proper condition to make good flour. They are made much larger and in more roomy chest than ever before. They are supplied with our improved _percussion apparatus_. This has now been in use in its present style for over ten years, with perfect success. It is composed of three sets of hinged arms, or knockers, three in each set, secured to every alternate rib of the reel inside, gently tapping the ribs on the downward or empty side of the reel, thus not forcing the flour _through_ the cloth, but dusting out and unclogging it. These can be stopped or started by the miller at any time while the Bolt is in operation--either one set, two, or all, as circumstances may require. These, every practical miller knows, after having used them, to be indispensable to counteract the extremes of damp and dry, or cold and exceedingly warm weather. Some millers utterly condemn the use of knockers on bolts, and, in reference to those commonly in use, we will agree with them in this. The difficulty lies in the fact that commonly they are so arranged that the miller is obliged to use them at all times. In free bolting weather, he not only wants to stop the _percussion apparatus_, but also to have all the safeguards against too free bolting at his command. With this apparatus and proper grinding no clogging of the Bolt will ever be noticed. By the use of this apparatus we are enabled to use finer cloth than without it, and at all times bolt even and obtain better yields.