98THEARCHITECTU5£-ei\HUMANISM
hesitation, constructionalfacttoaestheticeffect.
Ithadnot
achieved,itseemednoteventohave
desired,thatthese two elements should be made tocorre-
spond. Whereaconstructionalformsupplied
themwithanagreeable
effect,itsarchitectshadnotscrupledto
employit,evenwhereitnolongerfulfilled
acon-structive purpose. On the otherhand,
with equaldisregard forthis kind of truth,
those elements
ofconstruction
which reallyand effectively
supportedthe
fabric,theywereconstantlyatpains
toconceal,andeven,inconcealing,tocontradict.(Constructivescience, which
so long had been the
mistress of
architecture,theytreatedasherslave
;
andnotcon-tent with making
mechanical expedients do
theirwork
whilegivingthemnooutward
recognition,theyappropriatedtheforms
ofascientificconstruction
to
purelydecorativeuses,anddisplayedthe
corniceand
pilasterdivorced fromall
practicalsignificance,like
a trophyofvictory
upontheirwalls. And,inpro-
portion
as the Renaissance
matured itsforms and
came tofullerself-consciousness
in itsmethods,this
attitude
towards construction,
which had already
beenimplicit in the
architecture of ancient Rome,with its 'irrational'
combination
of the arch andlintel,
becameevermorefrank,
andonemightalmostsay, evermoreinsolent.
Chains
and buttressesinconcealment
did thework
whichsome imposing,butunsound, dome
affected to contribute
;fagades