New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1875-05-31
TIE INSTITUTE or MINING ENGINEERc.

NEW OFFICERS AND COMPLIMENTS TO THE RErfr-
ING NEUTRALITY-SUSPICIOUS. VIA LAKE H0PAr.
CONG TO THE OGDEN MINE5-TnE SUSSEX
COUNTY ZINC MINES.
trRpM A STAFF CORRESPONDENT OF THE TRDCSEl
FRANKLIN, Sussex Co., n. j., May 2S.-Ih0
election OF new officers of the Institute to-day resulted
the choice of L. w. Hoey of Brooklyn who Is the Besse-
mor steel man OF America, for President. and in lhe
election OF Prof Drown Secretary. with long LIST Of
Vice Presidents. resolution complimentary 10 the 70
timing President, offered by Mr. Peachin was unanimously
adopted All of to-day occupied in an extended ex.
curson terminating here whence the members dspcrse.
Our special train took to Lake Hopatcong, where
embarked on the little steampaeket Stella for trip
across the lake Lake HopatcOng is lovely SHEET Of
water about nine miles long, surrounded everywhere BY
wild rugged hills which jut out into numerous pro-
montoies, giving pleasing irregrarity to the shore
RegrettiDe that all OF Jaun could not he by water.
VIC took fat Nolans Point and carried over
Ogden Mine Railway TO the urd mine, which has the
longest underground slope in the State. To draw the
up this incline hosting engine OF unusual power Is 10
ued and the extraordinary machinery In use here was
examined great interest What occupied most atcn-
ton was pile Of 235O0 tons Of ore stacked at TIC
mouth the nine AL OF 1t was the best NewJersey can
produce averaging ut least G5 cent OF metallic iron
la quality ii Is much Like tho DckersoD ore and Is USED
In tho Bessemer process.
Pursuing way VIC passed successfully the Dodge,
Ford Scoed mnes stopping briefly at the Ford 10
examine the compound pumpnsengine, which has been
buit expressly for this mine The destination OF the
morning. however was the Ogden mines These mines
are In Sparta Township OF Sussex County. They were
opened in 1772 and have been worked ever since
The central operated by the Allentown Rolling
Mil Company and is capable OF producing nearly 5000
tons per month Ten times that amount Is now on hand.
kept tho immense piles at the other mines until
the business RECEIVERS from the panic OF 1873 Dr. Kit
che described tie Of this mine Of variable quality,
SONG being entirely free from foreign substances willie,
with large proportion Of IT, may be found the cons-
ent minerals Of The gneis and in some cases. pyrtes In
small quantities.
The ores are highly magnetic and yield about 80 per
cent OF metallic iron They used TO extent In
charcoal furnaces The Ogden Mine Railway u Lake
HopatcOng aud the Morris Canal furnish outlet ~ all
the mines have mentioned
From ills point, the highest in Sussex County, CARR
ages took down into tho Waikiki Valley which pre-
scented a charming landscape looked down from
the high ridge After dinner at Ogdensburg the zinc
mines at Sterling Hill and Franklin examined.
These probably the most valuable beds OF In the
Eastern States and deserve than The passing notice
they must receive Zinc only found In workable
quantities at these two points The structure Is the same
Of the iron beds the zinc stratum lying on edge be-
tween the vertical layers OF crystalline limestone
which abound in the metamorphc rocks Of this western
mineral belt. Some Of the open cuts exhibit
trccy picturesque and beautiful appearance the rocks
being very SNOWY and presenting variety Of coors and
The aI PARTON Of tie sangue Is everywhere
variety of caIcite in which lie carbonate Of
lime is replaced Ivy carbonate OF manganese Dissent
mated through this, but uniformly, tho minerals
which the zinc, the most important Of which gro
frankinte red oxide OF znc anu s,'e9te OF snc ~ Is
OF At ste ling Hill ranklinite abounds In
n with fjc ocarest activity and nmcnsc grontitles Of
Ors are shipped Newark for reduction after being
sSae nsr sard S no 90 de-
posts have yet been found, and the specimens OCCASION
lly nth
raics which have BEEN transported from this ledge
One of tho most important and interesting papersot
School Of Mines ia Sew-YorE it was statement Of III.
results of his Investigations into 81 Basties method Of
transforming glass 10y tempering Ia OIL the oil and the
glass both being ut high temperature The resulting
substance or condition Is very curious one. having
is apparently glass dcvitE,hod. Amy glass in any form
ey sq mse By fAO : Es sla shows @ II
ordinary window glass ressts the shock OF Two
S DSa 'et GS@ Of ssasn e an
ordinary pane resists only SO inches iail o." OF
weight Of 60 pounds without breakins-sx iimes Ii:
power OF ordinary glass Supported at both ends' -
roo pounds distributed Inch surface, The re.
sistance VI ordinary glass is only 40 poans IL can ~
ssss aud not SreS MT Cooled Two or hundred
DEGREES at time Ordinary kitchen aensl dv t ana
often at red beat, without breaking. Lamp ehimnys
have been submitted to flame Of their whole aaG sss
he thrown as he Illustrated to the astonlsnmen.
oieyebodyl to almost any distance Without a6m.
three four times elastic as ordinary glass a W.
ESe ball d9ppe str o sI OF s Of s heat
piece large the hand having been heated 10 cuo'
This remarkable alteration In the properties OF glass.
or mctamorphoss in the glass ITSELF was dlscoVeroaW
stoned to study L aud lind what IL was and VIZ
good for hindrei applications Of such snos s,a.r
eDce will fully verify the present experiments upon '
remarkable substance, which are now irsl ahhounoou