ENGRAVINGS. 



rooLNOTH.-A PJf * ^° 'os's Paper on Building ''^ ^'^'' ^^iUu^mt^ 

 ate to Illustrate Mr. '^.^^^^^l.ithout injunngihem.-A FJ^^^^^^^^ ^^ 



U.ionofL»"y"»»'«''°8. P» .„t -urinous A.'mal.,><. 



Vol. XAAVii- X , p on that Subjeci. v* . , . KiptYRARD S 



illustrate Mr.Macartneys Paper „,^^^ ,^ 1^"^ DonoVan's Paper 



Turpentine from nr-ii- ,»«', Mathematical 



' HAtjy's PaP=\^" ^An.T'sFiUeviBgApparat«s.--ivu^ Iohn Taylor's 

 Micrometer -MrJo.tT^ ^^^^^^ ^^^ ^^^,,a CarL^^^^ 

 relieving a Horse fallen in Representation of the <^o Semicirde.- 



Vir-Exhauster ^or M^n - ^J,,,,'s ^-^^1^^:^^ inferior Strata 



Contrivance ff^r 'reeins Reflecting Circle.— Mr- ^^ . f c^rrj-mg ott 



Mr. Allans ^P^^^^^^lf S Mr- Webster's ^^^^'l;\,u\nl Water 



tlon of Snakes— i'lg"'^^' \ algebraic Quantity __c.iavas8e's 



I foiS'iul Thermometer. 



