CARBONIFEROUS OF CAPE BRETON—GILPIN. 
109 
As few ultimate analyses have been made of Cape Breton 
coals, the following of the Block House seam made for the 
Admiralty (analyst unknown) is of interest : 
COIN G CLT hatte aes TRE Sen ne 82.60 
IB als OT igs ees Aeeits aerarssSahoysion bs Havtger © does) 4.79 
MUNG Ga eras oc 5 ote, ely ue den Ran at mI Ne ac = 1.20 
ROPSAY MEM a etsy ac unes, cveaniciein AVangce sieeve wit, oa) ale! i 4.10 
SSP ery she Peres chest d actions cho tac we te rece yore 2.51 
CV EOYs be NR Se ae Se ete nn Sas co 
100.00 
The following is the result of a trial of the Sydney coal made 
by the American Government in 1844, and, so far as the writer 
is aware, it is the only practical test ever made of the evapora- 
tive power of any Cape Breton coal : 
MimISEune ee tee Sonne Sei bce Pleas Oreo 
Wolatile-combustible matter; . .< 006.6 ba 6 os 23.81 
pene rm Olli oe ee Sickieude wuni< Sais ae ahe/ ste aoe Gite 
Lbs.-of steam to one of coal from 212°...... 7.90 
Ash and clinker—per cent... ............4. 6.00 
*Theoretical evaporative power............ 9.25 
The following table shows the composition of the ashes 
above coals: 
Block House. Harbor. Victoria, 
MOUEGCTORIGE 5 52 2 acs ns 45.621 63.355 56.543 
1.0) TECTIA ae DO) 8.280 6.456 
Insoluble silicious residue...35.110 21.872 27.500 
UEMTAMESE: 75. 50's 2 a= vi chew Bree 8 rechapeys 1.950 
Pee STA He oo eta e ae sie AShOOr | ie ees: 035 
Lointey}., ea ane ae 5,425 4.640 2 598 
Sulphate of lime........... Ree pa) een konayoe 
SepOuMEIe acids. ...206. a. <s 6.750 2.126 3.790 
Eaosphoric acid....::...%. 1.900 514 691 
MATES ae cre 0 lS eco iwie * trace. trace. BO) 
METNOETIVC seis.) is oe 5 swine dass Pea CEACEL Was eie ks 
99.156 100:787 99.693 
*From Regnault’s form ula. 
tAnalyst, H. How. 
{In this and following analyses alkalies are estimated only when in quantity. 
of the 
Sydney. + 
