Fig. 
Fig. 
RD = 
. . Calorimeter, for measuring heats of hydration of cements 
STATE GEOLOGIST. 
ILLUSTRATIONS. 
Chatelier’s Curves, showing the expansion of various forms of silica. .. 
Tetmayer’s Curve, showing the tensile strength of various granula- 
ted slags, with 15 per cent of calcium hydrate, tested after 28 days 
HH, SIVSUUEIEY Go Gna oie les inky chee tokeneatr cece es Ceca Ge me a eS 
Curves representing the heats of fusion of lime and lime-magnesia 
SGNCALSS Ol VETAOWS GVACIMIIES 5 ao o0veadacdnoooen Kuno od bo D eo oGb Ed 
Clay residue of Rosendale cement seen under the microscope. ... 
Section showing the graduation of the hard shale in the interior of a 
Foul, to Wn® SONG lagers Cin WAS GWE, odo os0cceenocogvocouagcunc 
VIN CTRLECTEAC COMMER Me Rees Shui ornate Cael cel simi em oclielic soaiee Sear eet iakohar as, tS 
Map of a property for the purpose of prospecting for clay......... 
Section of a clay deposit from borings represented in Figure 7 ..... 
pluie pteleuina tarsenrv po] Cratecaen cece tee Pewee wired grin ete aay asst ch ages anal eicaZane 
Ine ltaiee Inaruiel sanidl Seveny ol ere ois God baow Meco k oe ceob es eaeaina sae 
‘Wane Ibiellony ain! Jolarearoyo Taewel joo. 00 os ooo be ooo ewnaneeesae od 
‘Tine Onsen) QOWATAUS TOR GAS BMA WVSoccoseae0 ve soooesonsodueneoe 
Syphon and apparatus for analysis by sedimentation.............. 
Zulkowski’s formula for hydrolite, before hydration............... 
MeneESaria echt eta, CATION ints) wares Saotel 9 «ey icteremey sree isis Umeha D ats 
Ground plan of a plant for manufacture of slag cement, the unsuit- 
Ablelslacabeimoaconvertedmntorsl acy brickae seen esas see 
. Ground plan of a plant for the manufacture of “Iron Portland Ce- 
Curve showing relative rates of loss on heating of calcareous and non- 
CAL CANCOUSKC AN Shey cor ers cue: hace ates errr nate elem he dan, Maas cue ceca aie 
Gilmore’s curves, showing double maxima and minima in strengths 
of cements by variation in burning temperature................. : 
Cross-section of the type of natural cement kiln in most general use. . . 
Beales HAM, OH SOI, scososoucevosoncovcnosssouceuouuc 
Cross-section of a natural cement plant. . 
A large crystal of “Alite” in Portland comnamnt dink: (iets we mag- 
THU DNEXOL)) 65 SAS GIGS ule! OS RSET IO TE CROSS PER LS aa ev gr a ae 
Dyckerhoffs experiments on magnesia, Showing tensile ion of 
high-magnesia cements deteriorating with age. 
Dyckerhott's experiments on magnesia, shonin 6 expansion oi Men! 
TORE SNA, CHMNUUS TCE Wt BK oo0cbooosemsoonnesedouse 
Dyckerhoff’s experiments on magnesia, showing ees of high- 
magnesia cements increasing with age. . 
Curves showing heats of hydration of ‘Tinea coment ot varying orgie 
NUTONE TRENGKOS 6's dg: o's G55 coach Bh ot COR (ere eee ae a ae 
Balen Giomonrmeimneysanolesrorcementmane seen ae aoa. 
Kolngiorburminessamipleibatchesioticementij.55 5.40000 -500 0. 
Rotary dryer for preparing clay and stone for fine grinding as con- 
Stinn@uec! lon AlligClavalhaners Comayogvay7, os ssccceacecdn eso cucuecens 
Jany Gausacr Oi WAG INAS WHO8s 0c ccccec cod sue oe boon on oder as euiree 
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