New Theater of Machines (1673) - Page 26

The XXXVIII. Figure.

A Grinding and Polishing Mill.

This mill is driven by a horse or other animal in the absence of water. On the upright standing beam F, the horizontally lying wheel A is arranged, which with its downward-hanging teeth engages into the spindle or staves at D, and thereby rotates the shaft K, K. To this is further attached the wheel B, which is toothed on the sides and engages with its teeth into both trillis C and G, thereby causing both the millstone E and the polishing stone H to rotate.

The XXXIX. Figure.

A Grinding and Polishing Mill.

This mill can be arranged at a watercourse. The large water wheel E drives the shaft F, on which the toothed wheel A engages on both sides into the trillis B and C, thereby rotating the stones G, G, H. The flow of water can be adjusted at will through the winch D and the sluice gate C, and can be let in or out as is used in common mills.

The XL. Figure.

A Quadruple Grinding Mill.

This mill has four runs sets of stones; it can be driven by horse or ox (where one lacks water). A large horizontally lying toothed wheel C is attached to the upright standing shaft B, which engages with its cogs into the two visible, as well as the two invisible, spindles at D, D, and rotates the four millstones E, E, E, E.

The XLI. Figure.

A Horse Mill.

This is a type of mill which can be driven by a horse, ox, or donkey (NB). On

the upward or upright standing shaft A, the horizontally lying kam-rad is attached, which engages with its cogs into the staves at C, and thereby rotates the other upright standing shaft D, together with the toothed wheel E. This further engages with its teeth into the spindles F and thereby causes the millstone H to rotate.

Note: For easier motion and better assistance of the drive, one can arrange the schwung-rad G, and three, not four, weights I—as has already been mentioned above—should be hung onto it. The reasons, however, and the utility will be revealed by experience itself.

The XLII. Figure.

An Ox Mill.

This mill is not depicted very well in the figure, in that the horizontally lying kam-rad B, which is attached to the upward-standing shaft A, is much too small, and the space between both upright-standing shafts A and H is much too narrow. Thus, the movement of the animal is hindered, and for that reason, it is not possible to drive it. Therefore, one must observe that the kam-rad B should be enlarged as much as possible so that the space between both shafts A and H is widened, and the animal that is to drive this mill can have its turn without hindrance. The rotation of the millstone can be sufficiently seen in detail from the previous figures. Also, with the schwung-rad G, in hanging the weights I, what was mentioned in the previous and above figures—the third, and not the fourth part of the wheel's circumference—should be well observed.

The XLIII. Figure.

A Water Mill.

This grinding mill can be conveniently arranged at a small river.