




30 
40 
HEIGHT, FEET 
50 
60 
70 
80 
30 
a SG eee 
200 
300 
400 
500 
600 
700 
0 
© 
SUYERS GUIDE 
BUSHELS 
5000 
10,000 
DIAMETER, FEET 
50,000 
1007000 
500,000 
1,000,000 
5,000,000 
10,000,000 
50,000,000 
100,000,000 
How Many Bushels in 
Any Cylindrical Bin? 
This chart makes it easy 
to determine the number of 
bushels in any cylindrical 
bin of ordinary size as well 
as extra-ordinary sizes—up 
to 500 ft. in diameter by 1000 
ft. high. 
To use the chart simply 
run a straight line across it 
connecting the height H in 
feet, column A, with the 
diameter D in feet, column 
C, and the number of bush- 
els is immediately given in 
the middle column—column 
B. Pencil figuring is unnec- 
essary. 
For example: How many 
bushels in a circular bin 100 
ft. high by 40 ft. in diameter? 
The dotted line drawn across 
the chart shows how it is 
done. Run a straight line 
through the 100, column A, 
and the 40 in column C, and 
the intersection with column 
B gives the answer as about 
100,000 bushels. You read 
the columns in the same way 
that you read an ordinary 
thermometer. 
The chart may also be 
used “backwards” for find- 
ing the size of bin that must 
be built to hold any num- 
ber of bushels. Thus if you 
should want to build a bin 
that will hold 100,000 bush- 
els you will find a limitless 
number of combinations be- 
cause any straight line 
through the 100,000 in col- 
umn B will give an answer. 
But of course there is only 
one “most economical” an- 
swer. What the builder usu- 
ally wants is the most prac- 
tical size—the size that will 
hold the most grain per dol- 
lar of cost and that will best 
fulfill all other require- 
ments. 
37 
