Sir        By your instructions I have examined the heating
and ventilation of the State House        And in order to
afford a reference I submit this temporary report
embodying such views as present themselves at a
first glance and reserving a possible change of
opinion on some details after inquiry into parts of
the building built in and closed to examination.
                        I have from some personal experience,
from the evidence of all concerned and the written
admission of the builders, a certainty that the
chimnies will not draw in many stages of the wind.
        The builders declare that they used the test
and most approved caps        That the defect cannot
be remedied and that they have frequently
proposed, at what expense they do not say, the
boilers should be removed to the cellars of the record
office.                        It is first to be presumed that
these gentlemen who are experienced and successful
heaters of buildings, simply obeyed orders in putting
up this hot water apparatus as it stands, and
therefore I hope to do them no injustice when
I say that it is badly located especially for
the important element of draft without which
the boilers are useless.
    To move the boilers to the Record office will
call for a heavy outlay, memoranda of
which I understand you have         also a flue
or chimney stack must be built at the Record
office            I propose instead of this to retain
every  thing as it is   using at the stacks
a new cap of which I  have satisfactory
evidence of the power to prevent down drafts.
        You have seen the caps        and their
action under favorable circumstances on
the Hagerstown Hotel    under less favorable
circumstances on the Hagerstown Academy of
Music            and there are hundreds of them in
full action in positions resembling this of
the State House - while such caps as are
new there must fail from their own construction.
          To remove the present caps and to replace
them with strong galvanized iron caps of the sort
I allude to will cost between 300 and
400$   much of the expense being scaffolding
and rigging.
           With a proper draft in the chimnies the
apparatus ought to warm the building.    If
it has capacity, which I do not believe, to
warm the Record office upon its removal there
it can certainly suffice for the State House without
further disturbance.
        The ventilation of the rooms is absurd.
Taking for instance the House of Delegates, in
which provisions ought to exist for admitting
air for two hundred people without gaslights
which double the demand, there is for that
room an outlet of about one and a half super-
ficial square feet    through which should
pass from 3m to 6000 cubic feet of air per
minute        This is impossible without a strong
blast.  Neither are the roof outlets such
as can be in any way used for their purpose
except for the Governor's room & for the Court of
Appeals only.        To afford relief to the
atmosphere of the building     recourse must had
to the dome        I find that the relation of
the inner and outer principal windows is such
as to permit the use, for valves, of the lower
halves of four out of the eight thus leaving
the light intact from even the four which would
be used            It would be necessary to boy up
the communication from each inner to each outer
window at the four points selected       To supply
the outer one, in lieu of Sash, with a double set of
[--inans] valves;    such as I use at the Baltimore
Academy of Music; and the inner window with
broad moveable slats, worked by cords.
    Over each door or the House Of Delegates and
the door of the Senate chamber there must be
large transoms cut for the outlet of the air into
the dome, & finished with dressings like the doors.
    The next precaution comes at the entrances,
They, and especially the principle entrances into
the Hall     must be guarded by flap doors
as to prevent a rush of air through them.
    Any air wanted from the outside
must be supplied by Tobin Tubes      an english
invention working much after the fashion of
the short tubes now set in the windows.
        The cost of this arrangement for
ventilation    will be
for 4 chambers filled to dome at upper windows
using space of lower sash of each  ~ $    600.00
4 transoms set and trimmed                    125.00
Entrance doors to the main hall              350.00
Adapting present flues for ventilating
Governor's room and court of appeals by
putting on "Thomas" caps and removing
the registers    enlarging apertures and
placing valves                                            400.00
   carrying water up to dome for use of
the water checks of the valves -                   60.00
                                                                ~~~~~~
                                                                 $1535.00
            add the caps on the Boiler flues       400.00
                                                                ~~~~~~
                                                                $ 1935.00

                        Resp:
                            J. Crawford Neilson
                                Architect
                    49 St. Paul St. Baltimore