RURAL NEW-YORKER 
Simple 
By Dr. F. 
Science 
D. Crane 
and is there anything that can be put in 
the water to take the smell and taste 
away, 
w. M. 
Waterproof Glue for Patching Canvas 
Would you give me a formula for a 
waterproof glue, to be used in patching 
canvas tents? n. M. 
Brooklyn. N. Y. 
Ordinary glue is made waterproof after 
drying and exposure to light by dissolving 
in the glue solution, just before using, 
powdered potassium bichromate, about 
two per rent of the weight of the dry 
glue. 'Phe mixture does not keep well : 
make up just what, you want as yon use 
it. The resulting “biebromnted gelatin” 
is insoluble in water, but has a marked 
yellow color. It- is likely that as good 
or better results will be obtained by using 
a heavy coat of any of the good spar var¬ 
nishes over a sowed-on patch. 
Rusty Water 
Water from a driven well which is per¬ 
fectly clear when just, drawn is rusty 
when it comes from a black iron pressure 
tank ; what, can I do? s. a. o. 
The water comes charged with a little 
oxygen, and probably a little carbonic 
acid, and promptly attacks the black 
iron tank. There is not much you can 
do, though a good coat of enamel may 
help. A sheet of zinc in the tank, in 
metallic connection with the tank, will 
perhaps give yon some protection, but 
will have to he renewed from time to 
time. 
Cleaning White Leather 
Do you know of anything I could use 
to clean white leather? I have a baby 
• carriage which is lined with white leather. 
It hasn’t been used for about Iff years, 
and the leather is very dirty looking, but 
as good as ever. I have tried the white 
cleaners for white buck shoes, hut it did 
no good, as this leather is very smooth. 
MBS. C. K. 
We have our doubts ns to the leather 
being much good after 10 years of disuse, 
and it does not seem very likely that you 
can greatly improve its appearance at 
this late date, but you might try soap and 
water, with a cautious trial of a little 
ammonia on one spot, though this may 
make it more yellow. Then try the 
bleaching action of peroxide of hydrogen. 
If this works, dry it well and. rub in a 
little neatsfoot. oil. We would he glad 
to have someone suggest a better treat¬ 
ment. 
Bright Light Plug on Magneto 
Would one of the bright light plugs 
fastened on a magneto light injure the 
magneto? I know that they make a bet¬ 
ter light, hut some people tell me they 
will run the magneto down, and others 
say it will not hurl. A. v. n. 
Antioch, W. Va. 
The principle on which these plugs 
work is that of a small transformer. | 
That is. you get more electricity into 
your lights, and you must get it from 
somewhere, for you cannot lift yourself 
by your own hoot straps, uot even by 
way of electricity. So, of course, there 
is more asked of the magneto, and 
whether enough more is asked of it to 
injure it can only he told by electrical 
instruments which actually measure the 
output. The chances are there will be 
some strain. Whether tin* better light 
will pay for having the magneto tuned 
up from time to time, you will have to 
decide for yourself. 
_ __ i 
Tiro Talc for the Feet 
I Lave found that auto tire talc and 
tire mica had the same effect in my shoes 
as an expensive proprietary foot powder. 
Is there any possible harm from using | 
them? s. A. 8. 
Mount Carmel. Conn. 
We cartnot say positively as to the tire 
mica, though it is probable harmless; but 
the talc is talc, whether you buy it by 
the pound for 10c or by the half-ounce 
for 25c. If you will get a pound or so 
of plain tale powder at any good drug 
store, and a half-ounce of powdered boric 
acid, and mix them by repeated sifling.s. 
you will have about as good a [(repara¬ 
tion as you can get in a fancy box, ex¬ 
cept for the perfume. And if you want 
a smell which will also help along, add 
a few drops of oil of wintergrecn to the 
above mixture as you sift it. The whole 
thing ought not to cost more than 10 or 
20 cen.ts, aud you arc fixed up for a year. 
| 
Purifying Water Barrels 
We have two big rainwater barrels that 
get slimy and smell badly. Could you 
tell ns the amount, of bluestone that one 
would use to keep them sweet? They are 
for washing purposes only. I.. B. F. 
Maryland. 
It depends on the amount of water 
used out and coining in. but about a lialf- 
fuincc ti» each barrel ought to be plenty 
as a starter. 
Homemade Typewriter Ribbons and 
Carbon Paper 
I have your formula for re-inking type¬ 
writer ribbons. Can 1 make new ribbons 
by the same method, and what material 
must tile ribbon he? Can you give me 
directions for making my own cat-lion pa¬ 
per? o. A. 
The same ink can be used, hut your 
trouble will be to get the material for the 
ribbons, which is a line cotton, slit into 
strips and varnished on the edges. Car¬ 
bon paper is coated with various things; 
a colored soap or wax does well, but ma¬ 
chinery is required to put the coat on 
evenly enough for good results. 
Tar Barrel in Spring 
Last Rummer we sunk a barrel in a 
spring. The barrel had contained tar, 
but we set it on lire and thought that we 
had burned all the tar out of it*. This 
Summer we cleaned the spring out. and 
ever since the water has smelled and 
tasted of tar. The cattle do not like to 
drink it. Will it hurt them to drink it. 
You cannot put in anything, and the 
only thing you can take out is the bar¬ 
rel. But the chances are it will cure 
itself in a few months, and then the bar¬ 
rel will likely last for many years. If 
is not probable that it will hurt the cat¬ 
tle, hat it is poor policy to keep cattle 
from drinking all they want those days, 
and it might pay to [mil out the barrel 
for a few weeks. 
Ice Frozen at Different Temperatures 
A says that water frozen to make ice 
at 20 degrees above zero will last just ns 
long as water frozen to make ice at 20 
degrees below zero, if they are put in a 
room together at one temperature. 1> 
says they will not melt alike, and that 
the ice frozen at 20 degrees below zero 
will last longer than the water frozen 20 
degrees above zero. A claims that ice is 
ice at any temperature. F. A. R. 
If the two pieces are frozen as specified 
and at once put at the same external 
melting temperature, the one frozen at: 
the lower point will last just as much 
longer as is required to bring it to the 
melting point, as there is just that mueli 
more lack of energy (called “cold”) to 
be supplied, fawn the surroundings, in the 
form we call^heat.” The energy needed 
to melt i6e divides itself Into two parts; 
first, that of actual melting, which de- 
August 26, 1022 
pends only on the weight of water pres¬ 
ent as ice at the freezing point; second, 
that required to get the ice to the freez¬ 
ing point, anrl that amount depends on 
the weight, of the fee and the temperature 
of that weight at the start. Iti the case 
of icehouses, the ice cut at different times, 
and so at different temperatures, tends to 
equalize its. temperature to an average 
long before it is used. But ice cut in a 
cold snap is usually so much more com¬ 
pact that it is better mechanically. 
Stopping the Leaky Chimney 
Tell your readers when building houses 
ro see that the mason uses his level and 
sets the chimney collar with a slight 
slant downward toward the inside of 
chimney. We have two chimneys in our 
house, built 21> years ago, with several 
chimney collars therein, and some creo¬ 
sote does comes out of each chimney up 
on the third floor, in the attic, but it 
comes from above all chimney collars, 
attic collars included. It was a “new 
one” to our mason when we required this 
slant built ns herein stated. We gained 
our information from an uncle whose 
kitchen chimney collar gave a continued 
black dribble of creosote from near ceil¬ 
ing to floor, and caused him to do for 
himself some tardy thinking. Rightly, 
somebody ought to get after every build¬ 
ing trade paper and tell them to spread 
this information. It is too had so.much 
of value is left to drizzle its way out. 
Illinois. A. B. A. 
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