St. Paul daily globe. [volume] (Saint Paul, Minn.) 1884-1896, 1885-02-22

each face are connected still higher no by
youssoir stones, forming two arches inter.
| secting each other at right angles The
thrust Of q corner rib is transmitted to its ou-
| posite, by the use of horizontal stones BE-
tween their upper extremities The weight
of the pyramidion is 300 tons Of 2.240
pounds each.
In order to light the shaft and the passages
leading to 1t, dynamo of about 1000 can
die power is being set up in the engine house,
and incandescent lights supplied to the sew
era platforms.
The engine house at the monument will
be enlarged some 61I feet to the south, tt
| accommodate the dynamo machine and its
engine, and low, galvanized iron, double
roof, with LOWERED and glass sides, will be
erected over the engines. The entrance to
The engine house, and from it to the floor Of
The shaft. will be through covered passage
beneath the terrace, similar TO the one in the
east side, which is to be exclusively for visit
ors to the structure
The presentation blocks on hand number
lOl. Of this number it is probable that some
are not suitable for Introduction in the walls
Those that are to be secured in the walls will
have TO be reduced to tablets from 4 to s
inches in thickness. A depression may then
De cut In the face of the WALL and the tablet
inserted and fastened by bronze expansion
bolts to the backing. The selection of the
stones to be inserted will be made at an early
day.
Ihe backing of the first $50 feet Of the
walls is OF rubble masonry, so roughly con-
structed along many Of the joints as to catch
the water Of condensation running down the
face OF the well, and to defect it into the in
terror of the walls. This portion Of the in.
yuil no r1a
ment mortar, rubbed down hard and lined
off as coursed ashlar.,
The present floor Of the monument is some
inches below the finished floor of the struct-
ure This space was left for granite curb
anu cast-iron covering-pates, over the drum
and shaft pits. and the foundation of tiled
Hoor. This work will be done as soon as the
stairs, presentation blocks and plastering are
finished.
The last block of marble for the shaft was
delivered by the contractor June 90. 1884.
and was set in its place Aug 6, 1894 thus
completing the shaft to the height of 500 feet
In four working seasons. The contractor
finished the delivery OF marble under bis
contract, in most satisfactory manner,
Nov. p, 1884, at which date it was
closed. Twelve hundred and lightweight
blocks Of marble, containing 5,90S cubic
wv, oH-t "s"f OicChS VI SESutbe,
$500 cubic feet, were built into the shaft
during the season. The pyramidion is com
posed OF 262 separate pieces of marble, con-
tanning 1854 cubic feet of dressed stock It
will be observed that the difference between
the least and greatest settlements under this
load is less than lie OF an inch.
Quite an amount Of work is required to
put the finishing touches on the structure
and its. surrounding. An appropriation Of
$4,000 will be required for the ensuing
year to go on with the completion of the
monument and its surroundings in all their
details
The two doorways leading into the monu-
ment will be closed with thin marble walls,
the stone to match the facing The entrance
Will be through short passages beneath the
terrace. 1t has been recommended that the
pond just north of the o!elisk lie filed to the
level of its banks in the interest Of increased
stability Of the monument