EXPLANATION OF THE FOREGOING FAC-SIMILE.

SIDE VIEW of Plough. _A_ Mould-board, the form of which is claimed as

new. _B_ Share claimed. _C_ Standard claimed. _DD_ Screw-bolt, and not

confining the beam to the Standard. _a_, _b_, _c_, _d_, _e_, the 1st,

2d, 3d, 4th and 5th sides mentioned in the specification. _g_, _g_.

Excavation at the fore part of the mould-board to receive the share

which fills it up and forms an even surface. _h_ Hole to receive the

knob or head cast on the under side of the share, which, on being

shoved up to its place, nooks under the mould-board at the upper side

of the hole, and is held in its place by a wooden wedge driven between

the knob and the lower side of the hole. _f_ Notches in the Standard

to receive the latch i in elevating or depressing the beam. _s_, _t_,

_v_. Straight diagonal lines touching the mould-board the whole

distance. _u_ Vertical or plumb line touching the mould-board from top

to bottom. _H_ Reverse side of the share. _x_ Knob to hold it fast to

the mould-board. _y_ Side view of knob. _zz_ Shiplaps fitting under

the point and edge of the mould-board. _k_ Another form of standard

keyed on top of beam. Fig. 2d, landside view: _E_ The "landside". _F_

part of landside cast with mould-board. _mm_ Cast loops to hold the

handles claimed. _n_ Head of screw-bolt held by a shoulder made by a

projection from the mould-board and standard, through which the bolt

passes up to the beam. _o_ Share claimed. _p_ Shiplap claimed. _G_

Inside view of landside. _r_ Tennon at forward end to fit into a

dovetailed mortice on the inside of that part which is cast with the

mould-board.

Jethro Wood, Inventor of the Modern Plow. A Brief Account of His Life, Services, and Trials; Together with Facts Subsequent to his Death, and Incident to His Great Invention · 第 3 / 6 题