ALL that is necessary to be said of the present Volume, in the way of
preface, is to refer the reader to the GENERAL SUMMARY, p. 553.,
and to the Table of Contents.
Bayswater, November 15. 1837.
In p. 449. line 12., for "24 ft.," read "2 ft. ;" line 6. from the bottom, for "base line d,” read “ base
line 6 n." Insert the letter g on the pinnacle of the woodcut.
In p. 512. lines 13. and 14., for " diameter of the pillar: but here the wall and buttress are reduced,"
read, "diameter of the pillar, but here, the wall and buttress being reduced."
On the Perspective Plane
On the the Principles of Design. No. 1. Ar-
chitecture,-continued from Vol. III. p.400. 457
On certain improved Methods of constructing
Valves or Sluices, as applied to Canal and
Dock Gates, &c., and similar Works of Hy-
draulic Engineering -
An Experimental Enquiry into the Modes of
warming and ventilating Apartments
Observations on the Modes of warming and
ventilating public and other Buildings, with
Notes made upon several of these during a
recent Journey in England -
Notes on modern Architecture -
A Letter from Mr. G. Godwin, Jun., A.I.B.A.,
on the State of Architecture in the Pro-
vinces, to the Conductor
On Parsey's natural Convergence of Per-
pendiculars