iy 
> 
On the Rapid Production of Steam. 311 
Saal bs FOURTH SERIES. 
~ Showing: Shs time in which iron, in a state of incandesrence, may 
_ be reduced 1 to the boiling. temperature, either by he ter from 
rent points, by generating steam, or by both one in suc- 
cession. : 4% ‘“Z 
sS 2 % 1 * ' so ' 
3S le] (ge [eza 12S 12 
RES [8} ¢ | Be Lalssles [8 4 
rs | 2] $8 (Sg\= cies 
So fel s| *& lomo cles. be. .? 
he) o| £ i O HOR 0/2 a “5 ‘ 
S83 kis | Ss [26/25/28 |e 5)Remarks on observed tempera- 
“33 i°| =| = Essie sols" tures. 
mae |[5|- | 2S lesles/egnle 
Ss od Se bed So |[oula |& S 
| OS l= BP eee ie G =. 
to» e} Q ° 
BS g | lbs. oz. sq.in. “ | | 
Pa s {| 1) 26 |1: 513 | 60 [138 | 77 |1805 Very bright red. 
‘omg f| Zune. | 1: .513 | 60 {140 | 81 Comparable. 
#33 Siuhe. | 1: .513 (120 (212 | V1 Clear red. 
Dig PJ eats 
SoA |] 45 | 1: .515| 55 [190 | 126 |. Bright red. 
$3 & (| 5/21.5 |1:.515 | 60 |144 | 117 {L801 bbe 3 he ow red. 
s=e 
| ne ' Gjunc. | 1: 515 | 60 |212 | 114 right 
¢ Ba | qj | 1: 515 | 76 1180 | 95 {1218 Above eccnpat allie! 
jose 
\e.8 | Slunc. | 1: 625 | 60 [100 | 90 Very bright. 
S28) | 9\ 10 |1: 625 | so (212 | 112 | : 
(9S, Very bright; conti ued red in 
i. 7 aye 
es 10/unc. | 1: .625 |212 {212 | 128 the water 82/’, and ebullition 
228 : ceased in 46" Y uherwand 
OF J 14 §=[ 1: 625 [180 |212-) 110 Bright red. 
Ss 5 = 
EE jhol® |i:275] 60 2! 23 Comparable. 
% 88 | [13| S | 1: 2.75 {100 |212 | 23 
JESS | fal B-g]1: 2.75 [128 jaa | 33 Full red. 
S28 (15) © bl 122.75 |k75 (212 | 41 Bright 
ae ~ ({16) S $]1: 2.75 |180 }212 | 25 a 
aa 17} 2] 1: 2.75 |212 |212 i 
1385] |18| 3 2.75 |212 |212 
SS. (lig 2 [1: 2.75 [212 [212 | 36 Pull red 
Bes! io 
2 =<: ) 20lL.875| 17 1.14 | 92 [138 | 30/1402 Clear red 
aoa Ss nae ; . 
Chg $ Rather less red, but above 
S25 | ijiszj1: 1.14 | 40 127 | 19 1286 § “Morparable, 
z aE 22/1.375] 1: 1.14} 72 [172 | 21 1449 lear red. 
£6 & | (23/1.375} 1: 1.14 [100 {212 | 25 _ Do. i 
LSoy | PA LB75/ 1: 1.14 [112 [212 | 30 Do. 
E Sop [ (25)1.375, 1: 1.14 /126 |212 | 31 te 
So “= | (261.375) 1: 1.14 |148 |212 | 36 oe 
“183% | j27/1.375) 1: 1.14 [168 [212 | 43 Ba 
Bs g | [281.875] 1: 1.14 [190 [212 | 75 De 
Bane | (291.375 1: 1.14 [200 (212 | 77 De. 
O18 & J (30/1.375! 1: 1.14 |212 [212 |. 78 Do. 
¥. 
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