b : I- I* -gy •»«*• slowly hut haflyHiiiltrxtiMl. liull u- nw U* all* t- pfC-in-stnate cmihnuuk- -in* ka and v« «au. eruptions' lT»»tew* r fluid. the .• 'jt!.»• r **l the in*-h* -••jiiii*. ti mid vt-t tnc 11.«jMpuhtr treatise« n • d\ ituo in our la ngonje lone of the •’In* ji \1 * 11 • 11• ■ in lli*' w« II miowii International vientiin Library ern- iiiiiiks theduy will come wheneveii the law- r- luting •lt;» thwn* now m*tcri.*ux force* '‘ill i*e + \ «-u ijireheinl.il us u» enable os tlt; anticipate and nrogru*«tiiute. with niore or leu*, accuracy, iiii ir action With t«the earthijuuKo at Ischia, it hue '*een •baerved that the earttuiunke waves usually mu in ihe direction **f the tis-surea in the district. Houses built irons veraely t*» these were ahakru down like man* heiijw of loose bricks. while th.-se which hud l*e--n built diagonally' to the direction lt;lt;t the earth.luuke waves wilhst.«xi the shock, just as the prow ol » ship withstand- the m tion •( the waves it encounter*. 1 r-*m all of which we leurn that a stud* of the direction aauaiiy udo n by earthnuuke waves in di* tricts affected by these terrible phenomena is imperative uj-»u architecture.Sea travelling is »tW elevated into a luvurv. 1 returned trom the continent by way i Antwerp and Harwich in a magnihcenl new steamer recently built for the Gnat Kastern Itiulway Company (who work this route) called the Norwich, neurly l.uOO tons burden. .She is meet luxuriantly titled uj». '1 he saloon is placed for wan Is. witliat n-t the slightest vibration is felt from the s o w. idii* is lighted thn u^h'-ut by Swan nn and'-s-crnt electric lamp, and each cabin has its own electric lump, which *an be turned on and off aa easily as gu*. Then-is then*irc. no smell of gtmkiiig nil to pugg*«t and pro; duce sea-skkiu-s. nor i-there u strutum •lt;; hot iuri«.tnic acid t* breath*, ''n the •***:.• trarv. theatm-sphere ■*! the sab was • heeiiully bright, ireih. ai tlie very delight sea truvelluThe city **x iL.ueti, in I run* make the important e.v{-er;m whether the water »• rk* .chi towns nud «itics t: u- suj pi — 1 high «levations. - us to cause to ascend *.uirn.it also b. mu the elev tr.c light. A lamp i- t thetopofthecatheilr.il, which, hy the undo! a reflector, » .11 I*- directed on the -ur o hti-etreetfc Nearly two years u. * I su.*-••*-'•-I. m jour column?*, that th* employment **i tne uaU r force puinj-ed to these great height* whrre the water is stored, might !*• utdis—l in its descent to generate electricity. 1 he idea of utilising these reservoir* c*l water supply »!i- lirnt mooted by ir W illuitn Arm strong, when I*re«idem ol the Hritmh \s+x ;a-tioii at Newcastle in 1-^-h but he only tie-ught of vi.e mechanu-al. nlt;.i the ele« trical energy, whiih might thus be economised.International gatherings .f jrult;tical s .• • 11-tihc men are now U* ominj •'•immon. I Institution oi Mechanicai Kngineera has just held a meeting at Seraing, ill P«*lgiuiiL Among th* numi-rou* pai^-rs of jtr.i- ti ul iiuE rtance there: read an-.i discusscsl was *n* Mr. Allan C. Hogot, oi Londii. on To** Appli**auon lt;*t Klectricity t** the W*r*■: OjuI Mines, in which he dealt withelt- :r ai sign.dl.i,.- tr.e apj.h* .iti- n of * 1*. tri- t’.y P i illummat.ng mines. \cMr. * Luri»- i i- hnue- hxs given the experi-!Ili Cl^liIt was 1iklt; 1 **•♦;..ut t •lent of ii in hseeing 11 largeare pi the pip tie tlt;* . i. be piliC»-l at je wat-*r :-n*‘rate ace»i • »n j