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ON

ARCHITECTURE.

Confisting of

RULES

Founded upon

HARMONICK and ARITHMETICAL
Proportions in Building.

DESIGN'D

As an Agreeable Entertainment for

GENTLEMEN:

AND

More Particularly Useful to all who
make ARCHITECTURE, or the
Polite Arts, their Study.

Read to a SOCIETY Eftablith d for the Improve-
ment of ARTS and SCIENCEs, and EXPLAIN'D
by Examples on Copper Plates; with the Propor-
tions apply'd to Practice.

By ROBERT MORRIS.

LONDON:

Printed for J. BRINDLEY, at the King's-Arms in
New-Bond-ftreet. M.DCC.XXXIV.

To the HONOURABLE

Sir Michael Newton, Bart. Knight of the BATH.

Honoured Sir,

M

Herever HARMONY refides, either in Numbers,

or Nature, it immediately strikes the Imagination, by fome Attractive or Sympathizing

Property.