14 Experiments on American and Foreign Building Stones. 
Area of : : 
el Name oF atone: pees 2708 Name of experimenter. i 
sq. inches.’ 
eipasalt of Auvergne, ... .. 0s -<es-ssees < 4 Rondelet,. 
.: MO sa car cen ccacl carci ss 4 G0. “SPetsagenes 
* SS wredishieeat 225.0555 2s a Pe se 4 G53 "Se cores 
4, Ancoee basalt, ] meets, atekwee ee 4 DO. 5.6 4 4 ence steewys 
5. Go. 23d yariety,...24..... 4 d0n 7's flee 
6. c syenite, ry pe ote Os 6 Seeasies 2°25 hhnson, .........- 
“|Oriental rose granite, -.........0..46. 4 Rondelet,. . casi ses 
8. Quincy syenite, long block, ............ 2°87 HNSON, . oceans ees 
9.,Granite of N we. bars du Bout, .| 4 Rondelet, .. 22.5... 
10. Black marble of — Pee Stace es 4 dO, see eeeeeee 
11.|Aberdeen blue granite, .............-. 2°25 (7) |Rennie, ..........- 
1 eton dolomite, 4 Daniel & Wheatstone. 
Granite of N ormandy, mirenres pips a FE IBOUGCUEGS tes ace Se 
an veined marble, .........% 2°25 () eal ae peers le e65 
BIONO, <6 cays: diate swe 225 DO. cs ape eis chk 
V1 RMP ign Sastre ae: Hey Spin Dy eis be 
arble, . me (2) — RE 
merida Sees SVS snl & pil egress 
oe: AO Purbeck stone, : 4+. 23509 Renn vss 0h age i 
es ae ete of Limerick, . _ (2) = ie 5 ka ee 
: HE VOMtUE cris ck. eae . ondelet,  . s 6see ioe 
of Italy, « Soe ere a ee era 4 0, cee ee Sea 
UOMO swe tc te ce 4 oma & Wheatstone, 
‘ 24. _psitealey close gained granite, Spectre 2°25 (1). (Rennie, .. .< + ose eee 
= © eee a) do ee tes: 
— Legers ts 
, |27.\Devonshire red marble, .......... By 225(0 [R ecnceguninal 
28. igpion feet. 2d pe are Da my & Wheatstone. 
ae See ore 2:96 CNM, .....-heees 
staid filan, rrr es ae ee 4 Rondelet, eoecon eee 
granite, .. +2... sees eee seen es 2°25 WNIOS ss ae eee 
on’ buaeoi sone, vecel 4 Dien ch-« saeers 
Fourneaux stone, Angers, ............. + Rondelet, we 
ore LDA rere op or 4 ) ace 
Sie seua bs lace rer cere 16 yatt, . See e ee eeees 
36. sah =r "Flor 4 Rondelet, .. 0.06 <. 
Og 37.,Bramley Falls Bae Rin heeds, ? gee: 2°25 — eee ie 
ae 3 le no ined, eae bye OO St ide. aces 
G osg 4 Rondelet civaigee 
4 Daniel rs Wheatstone. 
“ Be 16 ak, ee ee 
ee ervelas marble of Flanders, ......... 4 ~. y (Rondelet, 7 s.35% 
he ig] gnie te tORG, cee bak 2°25  |Rennie, ... +. 4.53.8 
eg . idge of St. nce mae igebeaidd & 7 eae oS 
45 Steetley yell “askeabite eee Daniel & Wheatstone. 
46.|Dartmoor granite, ....... 1 Wyatt, 
47.) White Cacia marble, 4 peiidirain MERE 
“stone, .. 2°26; + (Renmie, 65.664 oe 
Soph > omnenimg 22 do. eee ee bes 
Pe ee 16 Wyatt, 
yningons Mayland n-gael tove, 4 Page, <. ¢:ecceteewat 
eles ol... a Se Se eed Rondelet, ae ee | 
of Ancient Rome, ..........| 4 do. 83 
a Geant, 175 Vath: cps cavae 
ite marble, ........ PP Sane oe Rondelet. 
Sanead Wises wouslio ‘5 18 Wyatt,... 2.54. 
; marble, . 18 GO. Scns Be 
8 Bast Chester marble, NY, ....-...0.. 4 POG, «cs coke 
eined marble, 18 Wyatt, 
