ENGRAVINGS. 



Octavo Plate descriptive of M.Tko"^''"'-~^ ^"'"° ^"<^ ^" 

 A Plate to illustrate ^> rHLrv T'"'' ' ^5'"' '^'^''^'"S ^"^^^"'"<^"t.- 



illustrate Mr. K., swan's new An-!! ^T^"^^''^'"" -A Quarto Plate to 

 OctavoPla,etoil!ustrateM r..f;'"cr! IP "'":""' '-^ ^^-"T.R.-An 

 -A Plate to illustrate Me.srs aIl^v i'n^ P^'^^'*'?'' ^"S^^^^^ ^^vLowrv. 

 Kespiration. E.,grnvcd by Port, nLr P. ?''' ' -[l"'^ ^'^P'^-''™*^"'^ on 

 Crvstall.-graphy.l-A Plate il f, . ^'''^ *° illustrate M. Hacy's 



Crystals to ill.strat? M. Hauv's s/slem °" """' Subject.-A Plate of 

 ^''oX^^l'^J^^^^^^ by T. Woo.^.orH from 



Cupping JnMrumerit: and a D a< Z .n ?,"'°'"'''';; ^'- ^^^-^"''^ New 

 of V:s,on.-A Pl„e to illustrfte^Hruv s p'^'f V''" l^^^'^^^'^ Theory 

 D.SH's dividing In.trumcra.-Ne. Fleet- i,.?^A°^'"'^^>'-^^'-- ^aven- 

 trate ,Vi. Hacy's System ofCrvll nor h ^Pf^'^'"^— A Plate to illus- 

 rnat,cTable._A Plite ^ Vu:>Sf^7^'-~r^'- '''^^^^''^ Hydro-pneu- 

 Paslhy's Telegraph, .nd V oh,^:^^"^ ^ ^n'stallography.-Captain 

 and Soda.-D.agrim to il u t/a'e M m''^"'''"?. '"'" ^— P"^ing Potash 

 and Decomposition of ForJe Ia pi "? V' "''^ '^n the Compositioa 

 graphy.-Two Plates of Am-ar'a^ite^. ' , L^V/''' ^^^"^'« Cry^tallo- 

 <:hem.cal Experiments detf K h^^ S:£::; l{.tc!'''' '" ''*= ^'"^'='™- 



by^-.SJtI^_^^f';,^ I Cast Iron Tunnel to cn,ss the Thames 

 Head of BucA.A.tZm?; ig :, PonSrbJV'^'-^^'''^^-^'^^-^ 

 WooLNoTH.-A Plate to i!lu,trate the IW ^ L''"-^'' '' ""^^^^'^ ^y 

 PJate to illustrate IMr. Salmons P. ' p^ -',"" ^"-^''■"' I"'e'vals._A 



chn,eforsecuringDepred^,or°'lth^ -n Bu.ld.ng in P/.., and his Ma- 

 Jt Memoir by 1 H^sst "rA^^on trA^^ ''r-^' Plate to illuv.rate 

 thehun ur,dngoe. i„ passing tL"h the it" T ^'".'/'^ ^ight of 

 Can.p Peiegraph -Section oT Tun" hoe B^; i^f'—'^^^- ^"^^^'^^'^ 



Sect.cnof Lullymore Bo«.,_nart of tV ^. „'" ^''"J'""^' "A' Transverse 

 Manometer. ^' P^" °^ ^^^ ^'■"t ^og of Allen.— Eerrhoilet's 



^-Se''^7/;>Ta«^\'n\;ri'p;r''cS'S Animals, to il. 



of the newly <^' -vered^^lan t -A gV ^ 1^7^"^"° ^'^^^^ ^^'^^ Orbits 

 iaperon Burning Mirrors.-A Ra^L I ♦ '° 'i'r''"'-^^'^-P^^«-*«'^*s 

 on Electro..:hemical Agency -Mr Ar ' '^''t^^'- ''Onovan's Paper 

 -Mr.LEB-8 Tlnashi,^ Machrne -A^r '"a^^""^'''^^^'^^' ^PP-atu"' 

 ^"d other Products (rol PitSP^ ;d M^^'^l^^J^f^^'-^^^^ ^-- "^^^'ng Ga3 

 Turpentine from Fir- Trees ~SX\-„T^ •) ^^' ' ^^■'"'^^■'"' "f P'-ocminff 

 ^'" the Power of the Lever ''' '" '""'^^^''^ ^^^- Bx^^'STni's Pa cf 



