1805.] Description of& Machine for removing Lartl. 225

dies firm. MM, the pins which hold the Said handles fixed 10 the plank. A, the iron plate fixed to the plank to form an edge for it.

Fig. 3. is the Sledge, composed of two pieces of oak, each two and a half feet long, united by two Small cross-bars af oak, which when the Sledge 1s placed, namely, the small end in D, fig. 2, Serves to draw the machine upon the land by means of the cross-piece, E, fig. 2, which bears upon the Said Sledge underneath.;

This Sledge Serves to convey the machine tothe field where it is wanted, or to any other place, without injuring the land.

Fig, 4, represents the small Shovel, which is used to clean be macbine when clogged with earth. It Should be placed zn the hole, D, fig. 1 and-2. to prevent tbe sledge from fal- ling when it Is couveyed to the field to work.

P. GILBERDRIC. «wee eanmnmenen ON THE CULTURE OF TURNIPS. To the Editor of the Agricultural Magazine. StrR, Oct. 14. 1805-

BEG you will accept my thanks for the apology you

have made to your very respectable correspondent, Mr. Bartley, for my delay in answertng his letter in your Seventy third Number.

Having been more employed in ascertaining the relative me- rits of the different modes of cultivating turnips, than ia making trials with a view of knowing the greatest weight that can be obtained upon a given quantity of ground, 1 cannot fully answer Mr. Bartley's queStion.[ can State, however, upon very respectable authority, that about fitty tons per acre have been raised in this county.

My own experiments(which bave been conducted for Some years, with much accuracy) have proved that the pro- duce under the Northumberland mode of. culture, is t0 that under the broad cast method,(all eircumstances a3 to Soil, condition, manure, time of S0WWSY, XC. öbC, being equal) as four is to three, nearly.!

The greatest weight 1 obtained in the course of these ex- periments, was about thirty-four to about thirty-hive tons per acre; the Soil having been but of middlinvg quality, and the dung applied to that quantity of land, only about ülteen owall loads» Lhave not diSCoV« red that the meihod ol cul«