1911-12.] The Elastic Strength of Flat Plates. 
389 
Table V. — Planished Steel Plates (Rectangulak). 
The tabulated numbers are the pressures (lb./in. 2 ) and corresponding central deflections 
■of Plates Nos. 16 to 24, length, breadth, and thickness ( £ ) being given in the first, fourth, and 
seventh columns, and all lengths being in inches, and pressures in lbs. per square inch. 
Plate. 
Pressure. 
Deflection. 
Plate. 
Pressure. 
Deflection. 
Plate. 
Pressure. 
Deflection. 
No. 16 
0 
No. 19 
0 
No. 22 
0 
8x4 
10 
•010 
7x4 
10 
•007 
6x4 
10 
•008 
£ = •0615 
15 
•016 
£ = •0615 
15 
•013 
£ = •065 
20 
•020 
20 
•023 
20 
*020 
25 
•026 
25 
•029 
25 
•026 
30 
•031 
30 
•036 
30 
•031 
35 
■037 
35 
•042 
35 
•037 
40 
•042 
40 
■049 
40 
•043 
45 
•046 
45 
•0555 
45 
•049 
50 
•051 
50 
•063 
50 
•054 
55 
•055 
55 
•070 
55 
•060 
60 
•060 
60 
•078 
60 
•0655 
65 
•064 
70 
•093 
65 
•072 
70 
•070 
80 
T07 
70 
•078 
80 
•080 
90 
*122 
75 
•084 
90 
•0895 
100 
T36 
80 
•090 
100 
•099 
110 
T505 
120 
T64 
No. 21 
0 
No. 23 
0 
6x4 
10 
•002 
5x4 
5 
•002 
No. 17 
0 
£=•0605 
15 
•0085 
£=•061 
10 
•007 
8x4 
5 
•006 
20 
•015 
15 
•012 
t = -061 
10 
•012 
25 
•0205 
20 
0165 
15 
•021 
30 
•026 
25 
•0225 
20 
•026 
35 
•031 
25 
•034 
40 
•0365 
45 
•042 
No. 24 
0 
50 
•047 
5x4 
10 
•005 
No. 18 
0 
55 
•052 
15 
•010 
8x4 
5 
•005 
60 
*056 
20 
•015 
£=•054 
10 
•016 
65 
•061 
25 
•019 
15 
•0265 
70 
•0655 
30 
•024 
20 
•0365 
75 
•070 
35 
•030 
25 
•046 
80 
•0745 
40 
•034 
30 
•053 
85 
•079 
45 
•0385 
35 
•061 
90 
•083 
50 
•043 
40 
•069 
95 
•088 
55 
•047 
45 
•078 
100 
•093 
60 
•051 
50 
•086 
105 
•096 
65 
•055 
110 
120 
T01 
70 
•0585 
T095 
75 
•062 
No. 20 
0 
130 
•118 
80 
•066 
7x4 
10 
•009 
140 
T26 
85 
•070 
£=•061 
15 
•018 
150 
T34 
90 
•073 
20 
•023 
155 
T38 
95 
•077 
25 
•031 
160 
T42 
100 
•0805 
30 
•037 
170 
180 
190 
T495 
T575 
T65 
105 
•084 
200 
T73 
{Issued separately September 9, 1912.) 
