834.9273
20.0 | 815.7080 | .5 | 825.4569 |27.0 | 835.2058
.1 | 815.9865 | .6 | 825.7354 | .1 | 835.4843
.2 | 816.2651 | .7 | 826.0140 | .2 | 835.7629
.3 | 816.5436 | .8 | 826.2925 | .3 | 836.0414
.4 | 816.8222 | .9 | 826.5711 | .4 | 836.3200
.5 | 817.1007 |24.0 | 826.8496 | .5 | 836.5985
.6 | 817.3792 | .1 | 827.1281 | .6 | 836.8770
.7 | 817.6578 | .2 | 827.4067 | .7 | 837.1556
.8 | 817.9363 | .3 | 827.6852 | .8 | 837.4341
.9 | 818.2149 | .4 | 827.9638 | .9 | 837.7127
21.0 | 818.4934 | .5 | 828.2423 |28.0 | 837.9912
.1 | 818.7719 | .6 | 828.5208 | .1 | 838.2697
.2 | 819.0505 | .7 | 828.7994 | .2 | 838.5483
.3 | 819.3290 | .8 | 829.0779 | .3 | 838.8268
.4 | 819.6076 | .9 | 829.3565 | .4 | 839.1054
.5 | 819.8861 |25.0 | 829.6350 | .5 | 839.3839
.6 | 820.1646 | .1 | 829.9135 | .6 | 839.6624
.7 | 820.4432 | .2 | 830.1921 | .7 | 839.9410
.8 | 820.7217 | .3 | 830.4706 | .8 | 840.2195
.9 | 821.0003 | .4 | 830.7492 | .9 | 840.4981
22.0 | 821.2788 | .5 | 831.0277 |29.0 | 840.7766
.1 | 821.5573 | .6 | 831.3062 | .1 | 841.0551
.2 | 821.8859 | .7 | 831.5848 | .2 | 841.3337
.3 | 822.1144 | .8 | 831.8633 | .3 | 841.6122
.4 | 822.3930 | .9 | 832.1419 | .4 | 841.8908
.5 | 822.6715 |26.0 | 832.4204 | .5 | 842.1693
.6 | 822.9500 | .1 | 832.6989 | .6 | 842.4478
.7 | 823.2286 | .2 | 832.9775 | .7 | 842.7264
.8 | 823.5071 | .3 | 833.2560 | .8 | 843.0049
.9 | 823.7857 | .4 | 833.5346 | .9 | 843.2835
| | | |30.0 | 843.5620
_____|_____________|_____|_____________|_____|_____________

CHAPTER VIII.

_FIRING POINT OF EXPLOSIVES, HEAT TESTS, &c._

Horsley's Apparatus--Table of Firing points--The Government Heat-Test
Apparatus for Dynamites--Nitro-Glycerine, Nitro-Cotton, and Smokeless
Powders--Liquefaction and Exudation Tests--Page's Regulator for Heat-Test
Apparatus--Specific Gravities of Explosives--Table of Temperature of
Detonation, Sensitiveness, &c.

~The Firing Point of Explosives.~--The firing point of an explosive may be
determined as follows:--A copper dish, about 3 inches deep, and 6 or more
wide, and fitted with a lid, also of copper, is r