376 



The Canadian Horticulturist. 



THREE USEFUL LEVELS. 



Fig. 700 represents a drain level. It is very handy for leveling a lawn, etc. 

 It can be made as true as any spirit level that you buy at stores ; it costs less, 

 .and is much handier in many ways. A is a board 10 feet long, 8 inches wide, 

 .and I inch thick : plane it nice and level, then take four strips 3 inches wide 

 half an inch thick, and 6 feet in length, saw these strips at both ends like b b ; 

 inailtwo of these on one side of board A, like the three small dots, about t8 



inches from centre board A, and 

 nail other two on the other side 

 of board A ; then place the tri- 

 angle piece, like C, between the 

 four upper ends, indicated by a 

 dotted line ; then nail firmly. 

 G indicates an eye fastened 

 under C in centre to tie the line 

 d ; F is a piece of board i inch 

 thick, 5 inches wide, and long 

 enough to fit between the four strips like cut shows. Fasten one end of your 

 line in the eye, tie a pencil on other end and mark your piece F all along, 

 which will make a curved mark. Saw in this mark, then tie your plumb bob 

 so it will almost touch all along the surface of this hollow, and make an O ; this 

 will indicate true level. Then raise one end of board A and place a piece of 

 board i inch under it, where the plumb bb shifts, to make another mark ; add 



Fig. 700. 



9 



one more inch, make another mark, and so on to the 

 end. Then mark the other side of centre just the same ; 

 between each of these marks, make a similar mark to 

 indicate half inches. 



Fig. 701 represents an upright level, very handy in 

 building sheds, or planting, tree, fence-posts, etc. You 

 may have them to lean as you like or be perfectly straight. 

 A is a piece of board i inch thick, 15)^ inches long, 

 4^ inches wide; after being cut as illustration shows 

 it will be 4^ inches at one end and 2^ inches al the 

 •other end ; B is a plumb bob, c is a Ime, d is a piece of 

 wood I inch square, 5 inches long, nailed on one end of 

 a piece of board F 3 feet, 2}4 inches long, i inch thick, 

 and 3 inches wide ; E is a hole 4 inches long, i Yz 

 inches across, to enable you to place your four 

 fingers through and have a good hold of it ; g is a 

 small feole ^ an inch from end of d ; place your line 

 through it and make a knot, so your plumb bob will 

 almost touch all along the upper edge A, which is 

 marked with long marks representing inches ; small ones 



or dots for ^ inches. If the small hole g is i)4 inches ? ^^^ /^ 



from F, make the mark O on board A, i^ inches from Fk;. 701. 



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