Farm Mechanics: Machinery and Its Use to Save Hand Labor on the Farm.Shearer, Herbert A.
Science
Farm Mechanics: Machinery and Its Use to Save Hand Labor on the Farm.
Shearer, Herbert A.
Agricultural machinery
[Illustration: Figure 97.--Tool Box for Field Use. The long open side is
for tools. On the other side of the center partition bolts, keys,
screws, nails, bits of wire, leather, tin, etc., are kept in the
different divisions.]
_Handy Tool Box._--A tool box with a high lengthwise partition in the
middle and a handle in the middle of the top of the partition is the
handiest tool box ever used on a farm. At haying and harvest time it
should be fitted with the common tools required about haying and harvest
machinery. One side is partitioned into square boxes to hold split wire
keys, washers, bolts, rivets, and a collection of wire nails, bits of
copper wire, a leather punch, etc. On the other side of the box is an
assortment of wrenches, cold chisels, punches, pliers and hammers. This
tool box belongs in the wagon that accompanies the outfit to the field.
[Illustration: Figure 98.--Melting Ladle. Babbitting shaft boxing
requires a melting ladle. It should be about five inches across the bowl
and about three inches deep. That is a good size to heat in a forge
fire.]
_Babbitting Boxings._--Babbitting boxings is one of the repair jobs on
the farm. Some men are careless about oiling; sometimes sand cuts them
out. Every year some boxings need rebabbitting. The melting ladle should
be large enough to pour the largest box. Usually a 5-inch bowl is about
right. A large ladle will pour a small box but a small ladle won't pour
a large one. In cold weather the shaft and box should be warmed to
insure an even flow of metal. Pasteboard is fitted against the shaft
when pouring the cap or top half of the box. Pasteboard is fitted around
the shaft at the ends of the box to keep the melted metal from running
out. Never use clay or putty, it is too mussy and the babbitt is made
rough and uneven at the edges. Some skill is required to fit either wood
or metal close enough to prevent leaks and to do a neat job.
If the boxing is small, both top and bottom may be poured at once by
making holes through the dividing pasteboard. The holes must be large
enough to let the melted metal through and small enough to break apart
easily when cold.
CHAPTER III
GENERATING MECHANICAL POWER TO DRIVE MODERN FARM MACHINERY
At one time ninety-seven per cent of the population of the United States
got their living directly from tilling the soil, and the power used was
oxen and manual labor. At the present time probably not more than
thirty-five per cent of our people are actively engaged in agricultural
pursuits. And the power problem has been transferred to horses, steam,
gasoline, kerosene and water power, with electricity as a power
conveyor.
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