44. as . REPORT——1843. 
f First Course 
TasiE [X.—Box ¢. No.6. First Exposure, containing Specimens of Cast 
Atmospheric Influences 
Placed on the summit of an exposed Building of about 50 feet in height within the City of 
the 21st of January, 1842; 
Latitude of Dublin...... 52° 2¢-9/ N, 
Longitude of Dublin... 6° 15’ W. 
Altitude above mean tide level, 105 feet. 
» Prevailing Winds, 
Box ¢. No.6. Class No. 1, 











3. A, 5. 6. 
Se sie sea 1 
gg Specific 
aan i Hot or External How | Gravity of Dimensions 
Bs} Commercial character of Iron, &c. Cold character of Cast, | Specimen of 
roa) Blast. Fracture. * | g Ws, |} Specimen. 
C) E w 
AL 
F in. in. in J 
Z 1] Calder, No. 1. ....eesedeeserseesees Hot Dark gray [Green| 7:°027 |5x5xX1 
22) Calder, No. 1. ........0e00 i Hot Mottled Chilled} 7:079 |5 x5 x1 
Box @. No.6. Class No. 2. 
5x5xl1 
5x5x1 



Hot 
_ Hot 
Mottled 
Silvery 
7017 
7129 
Green 
Pentwyn, No. 2. ...scrcenerceees 
Chilled 
Pentwyn, No. 2.. ....escsveseseeres 






Box ¢. No. 6. Class No. 3. 






7-268 
7-603 
Mottled 
Silvery 
Cold 
Cold 
Green 
Apedale, Na 2essesarsoreerone pan: 
Chilled 
5x5 
Apedale, No. 2.,....+-+sse+ ahescle 5x5 






x 
x 

Box Z. No. 6. Class No. 4. 












7141 
7:308 
Green 
Chilled 
Cold 
Cold 
Dull gray 
£7 |, Arigna, No. 3. ....eeeee Shebecndene 
28 Mottled 
Arigna, No. 3. ....+0se0es Redevsjees 








Box £ No6. Class No.5. 
en ns er TEEErEnnrUrEnnEn eesrnnneenennnnrner GaennneRnEnREET GEEINIEEEEEESTRSEEEEN eeeeernnnennen=nrmns’ 


Bo Ail aio | eee | ... | Silvery crystals |Chilled| 7624 [5 x 5x1. 
z 10\13 Ca Peakarya| NOlD i ee ae Close dull gray |Green | 6978 |5 X 5 x.1] 
3 Nw! h... 
zu {# sey eaegal Now greaiess et Close dull gray |Green | 7:050 |5xX5 x1). 


 ————— 
Box ¢.. No. 6. Class No. 6. 


£12} Doulais common bar, No. 2. ...| Hot Fibrous 

ove | 7-587 




53x ‘875 



