Page:Willich, A. F. M. - The Domestic Encyclopædia (Vol. 3, 1802).djvu/383

361&#93; FED order. The wheel-work Is. con- strufted on the scale of 1000 paces to a mile; and, as it winds itselfup, while in motion, being adjusted "to pockets of allsizes, it is attended with no trouble to the wearer. It is provided with a compass, by jneans of which the traveller is enables! to ascertain the ditJ'erent direttions which he takes on his excursion; while he learns the ac- pjarate distance which he has walk- FED [361 ed. Hence it recommends itself to tJiose invalids, who are obliged to take a certain degree of exercise within doors; as they may. thus measure the thousandth part of a mile. Another machine, which deseiTes more immediate attention, is the pedometer invented by jMr. Lewix Tug WELL, of Beverstone, in the county of Gloucebter, and which is represented in the following Cut; A, The stock of the pedometer. B, B, B, &c. Twelve spokes 5 one end of which is fastened by means of a screw to the outward ring, or periphery of the wheel, while the other is inserted in the stock. C, The periphery, which is an iron ring iGf feet, or one pole in circumterence; and which is di- Mdcd into 25 equal parts, corres- ponding to the links of Gunter's chain for land-ixieasuring, ^x. Dj Dj Dj &c. Are twelve small plates.