THE ROYAL ARTILLERY INSTITUTION 
161 
Table XXXYII1. 
GENERAL SUMMARY OF SERIES e. 
S = 32 square inches. Mean pressure = 1*5 tons. 
Pressures. 
0-5 tons. 
1 ton. 
1 
■5 tons. 
2 tons. 
2 - 5 tons. 
-4-2 CD 
*■8 
Number of 
experiment. 
1 
10 
Mean. 
4 
7 
Mean. 
3 
8 
Mean. 
5 
6 
Mean. 
2 
9 
Mean. 
d 
c3 
05 ^ 
S § 
^ <D 
Rate 
min. 
per 
ibout 
f 0-5 
•305 
•260 
•282 
•258 
•265 
•261 
•278 
•270 
•274 
•266 
•247 
•256 
•282 
•266 
•274 
•270 
1-25 
•347 
•307 
•327 
•367 
•336 
•352 
•369 
•295 
•332 
•337 
d 2 
3-0 
•418 
•320 
•369 
•334 
•369 
•351 
•369 
•341 
•355 
•364 
•403 
•383 
•419 
•354 
•386 
•369 
o 
7-5 
•488 
•385 
•436 
•412 
•412 
•458 
•466 
•452 
•397 
•438 
•418 
•426 
•376 
•401 
•427 
Jl nd j 
£ g 
M <£ 
12-0 
•554 
•463 
•508 
•483 
•514 
•498 
•533 
•445 
•489 
•490 
•529 
•509 
•506 
•453 
•479 
•497 
15-0 
•606 
•487 
•546 
•504 
•474 
•489 
•533 
•533 
•470 
•470 
•543 
•543 
•543 
•620 
d £ 
<u 3 
20-0 
•603 
•508 
•555 
•549 
•542 
*545 
•605 
•547 
•576 
•527 
•520 
•523 
•567 
•552 
•559 
•552 
Eh w 
25-0 
•667 
•618 
•642 
•567 
•536 
•551 
•615 
•590 
•602 
•508 
•576 
•542 
•592 
•592 
•592 
•586 
J5O0 
•700 
•642 
•671 
•652 
•681 
•666 
•698 
•634 
•666 
•576 
•678 
•627 
•642 
•645 
•643 
•655 
<a 
- 0-25 
•285 
•329 
•307 
•375 
•401 
•386 
•325 
•421 
•373 
•353 
•338 
•345 
•337 
•357 
•347 
•352 
M 
0-5 
•285 
•347 
•316 
•392 
•392 
•320 
•320 
•336 
d 
o 
1-25 
•294 
•387 
•340 
•345 
•473 
•409 
•367 
•437 
•402 
•384 
£ § 
3-0 
•316 
•378 
•347 
•442 
•446 
•444 
•490 
•490 
•415 
•391 
•403 
•429 
•435 
•432 
•416 
5-0 
*455 
•467 
•461 
•431 
•508 
•470 
•423 
•423 
•410 
•432 
421 
•447 
■§'2 H 
7-5 
•338 
•420 
•379 
•425 
•425 
•481 
•481 
•406 
•426 
•416 
•416 
a § 
12-0 
•352 
•396 
•374 
•529 
•529 
•490 
•543 
•516 
•477 
•477 
•457 
•432 
•450 
•459 
-T3 2 
15-0 
•499 
•509 
•504 
•422 
•422 
•460 
•460 
•473 
d bfl 
20-0 
•360 
00 
lO 
•409 
•489 
•489 
•574 
•574 
•461 
•461 
•419 
•537 
•478 
•471 
O 
25-0 
... 
•545 
•545 
•545 
•505 
•554 
•530 
•461 
•461 
•456 
•493 
•475 
•508 
o 
J30'0 
•396 
•476 
•436 
•558 
•582 
•570 
•536 
•609 
•572 
•544 
•520 
•532 
•496 
•536 
•516 
•525 
f 0-25 
•322 
•363 
•342 
•318 
•356 
•337 
•342 
•349 
•345 
•307 
•363 
•335 
•376 
•336 
•370 
•346 
rd • 
1-25 
•332 
•432 
•382 
•405 
•421 
•413 
•383 
•368 
•375 
•376 
•415 
•396 
•406 
•437 
•422 
•398 
he d 
d o 
3-0 
•419 
•419 
•416 
•416 
•362 
•439 
•400 
•390 
■461 
•426 
•454 
•468 
•461 
•429 
o .d 
7-5 
•446 
•478 
•462 
•417 
•442 
•430 
•501 
•501 
•453 
•507 
•480 
•463 
J 
12-0 
•498 
•498 
•484 
•484 
•456 
•491 
•473 
•444 
•450 
•447 
•453 
•508 
•481 
•473 
15-0 
•387 
•480 
•433 
•478 
•478 
•465 
•516 
•491 
•438 
•438 
•461 
d 
20-0 
•419 
•489 
•454 
•563 
•541 
•552 
•510 
•523 
•517 
•485 
•563 
•524 
•530 
•530 
•514 
S « 
25-0 
•450 
•450 
•563 
*550 
•556 
•536 
•536 
•535 
•555 
•545 
•531 
^30-0 
•432 
•547 
•489 
... 
•541 
•541 
•578 
•589 
•584 
•512 
•525 
•519 
•540 
•567 
•554 
•537 
§ g i 
^ 3-0 
•317 
•317 
•347 
•541 
•444 
•402 
5-0 
•321 
•321 
•472 
•588 
•530 
•460 
-d drH J 
d o rii 
10-0 
•326 
•476 
•401 
•385 
•385 
•396 
Ul\ 
O So 1 
15-0 
•366 
•366 
•416 
•677 
•547 
•598 
•598 
•513 
20'0 
•410 
•410 
•534 
•567 
•551 
•418 
•612 
•513 
*454 
•522 
•488 
•497 
•497 
•502 
Table XXXIX. 
MEANS DEDUCED FROM TABLE XXXVIII. 
Rate of motion per minute, ins. 
0-25 
v 6 
1-25 
3-0 
it 
5-0 
it 
7-5 
if 
12 
15 
if 
20 
if 
25 
if 
30 
Teak through surfaced iron . 
•270 
•337 
•369 
•427 
•497 ’ 
•620 
•552 
•586 
•655 
Ground metal through ground iron ... 
•352 
•336 
,•384 
•416 
•447 
•416 
•459! 
•473 
•471 
•508 
•525 
Metal through surfaced iron . . . 
•346 
•398 
•429 
•463 
•473 i 
•461 
•514; 
•531 
•537 
Ground iron through ground iron . 
£_! 
... 
•402 
•460 
I 
•" 1 
•513 
•502 
Mean .. 
•349 
H 
I CO 
1 « 
i 
•404 ! # 454 
•435 
•476 ] 
•492 
•510 
•542 i 
•572 
