18 
Transactions Texas Academy of Science. 
RATTLER TESTS. 
Dimensions of University of Texas Rattler (Inside measurements). 
Diameter, 28 inches. Volume of Rattler — 12,322 cu. in. 
Length, 20 inches. Volume of Shot— 1,173 cu. in. 
Staves, 14. 
No. of Exp. 
Nature of Charge 
We 
Before 
iight 
After 
Per cent 
Lost 
Per cent 
of 
Rattler 
Filled 
1 
Jan. 27, 1906 
6 Thurber ...... 
4x3x7 3-4 in. (558 cu. in.) 
6 Coffeeville V. B. & T. Co. 
4x2 1-4x8 1-2 in. (359 cu. in.) 
Volume of brick charge — 1017 cu. in. 
690 
625 
491 
509 
26.09 
21.44 
17.93 
2 
Jan. 28, 1906 
12 Coffeeville V. B. & T. Co. 
4x2 1-4x8 1-2 in. (918 cu. in) 
Volume brick charge — 918 cu. in. 
1277 
1040 
17.93 
16.97 
3 
Jan. 28. 1906 
10 Coffeeville V. B. & T. Co. 
4x 3 l-4xx8 1-2 in. ' 
Volume of brick charge — 1105 cu. in. 
1489 
1288 
13.49 
18.57 
4 
Jan. 29. 1906 
12 Thurbers ...... 
4x3x7 3-4 in 
Volume of brick charge— 1116 cu. in. 
1363 
1013 
25.88 
18.58 
5 
Jan. 29. 1906 
4 Thurbers ...... 
4x3x7 3-4 in. (372 cu. in) . . . . 
4 Pittsburg V. B. & T. Co. .... 
3 1-2x3 7-8x8 in. (403 cu. in.) 
4 Coffeeville V. B. T. Co. 
4x2 1-4x8 1-2 in. (306 cu. in.) 
Volume of 9rick in charge — 1081 cu. in. 
447 
397 
424 
327 
285 
345 
26.84 
28.21 
18.63 
18.30 
6 
• 
Apr. 23. 1906 
2 Purrington Block. ..... 
3 1-4x3 3-4x8 1-4 in. (201 cu. in.) 
2 Thurber Brick ..... 
4x3x7 3-4 in. (186 cu. in.) 
2 Coffeeville V. B. & T. Co. .... 
3 l-4x4x8 1-2 in. (221 cu. in.) 
Volume of brick charge — 608 cu. in. 
288 
241 
297 
256 
187 
267 
10.4 
22.8 
10.1 
14.46 
7 
Apr. 24. 1906 
3 Coffeeville V. B. & T. Co. 
4x2 1-4x8 1-2 in. (229. 5 cu. in. ) 
2 Thurber Brick ..... 
4x3x7 14 in. (174 cu. in.) 
2 Purrington Block ..... 
3 1-4x3 3-4x8 1-4 in. (201 cu. in.) 
Volume of brick charge — 604.5 cu’ in. 
322 
235 
287 
280 
180 
257 
12.5 
23.4 
10.5 
14.43 
8 
Apr. 24. 1906 
2 Thurber Brick ..... 
4x3x7 1-4 in. (174 cu. in.) 
2 Purrington Block ..... 
3 1-4x3 3-4x8 1-4 in. (201 cu. in.) 
2 Coffeeville V. B. & T. Co. 
3 l-4x4x8 1-2 in. (221 cu. in.) 
Volume of brick charge — 596 cu. in. 
242 
289 
298 
186 
251 
264 
23.1 
9.65 
11.8 
14.36 
