D.  VAN  NOSTRAND.

5

Clarke’s  Quincy  Bridge.
4to.  Cloth.  $7.50.
DESCKIPTION  OF  THE  IKON  EAILWAY  Bridge  across  the
Mississippi  Eiver  at  Quincy,  Illinois.  By  Thomas  Curtis  Clarke,
Chief  Engineer.  Illustrated  with  twenty-one  lithographed
plans.

Barba  on  the  Use  of  Steel.
12mo.  Illustrated.  Cloth.  $1.50.
THE  USE  OF  STEEL  IN  CONSTRUCTION.  Method  of
Working,  Applying,  and  Testing  Plates  and  Bars.  By  J.
Barba,  Chief  Naval  Constructor.  Translated  from  the
French,  with  a  Preface,  by  A.  L.  Holley,  P.B.

Whipple  on  Bridge  Building.
8vo,  Illustrated.  Cloth.  $4.00.
AN  ELEMENTAEY  AND  PEACTICAL  TEEATISE  ON
BBIDGE  BUILDING.  An  enlarged  and  improved  edition  of
the  Author’s  original  work.  By  S.  Whipple,  C.  E.,  Inventur  of
the  Whipple  Bridges,  &c.  Second  Edition.
The  design  has  heen  to  develop  from  Fundamental  Principles  a  System  easy
of  comprehension,  and  such  as  to  enable  the  attentive  reader  and  Student  to
judge  understandingly  for  himself,  as  to  the  relative  merits  of  different  plans
and  combinations,  and  to  adopt  for  use  such  as  may  be  most  suitable  for  the
cases  he  may  have  to  deal  with.
It  is  hoped  the  work  may  prove  au  appropriate  Text-Book  upou  the  subject
treated  of,  for  the  Engineering  Student,  and  a  useful  manual  for  the  Practioing
  Engineer  and  Bridge  Builder.