1 %!!.
Drawn by Gfrrae Hu.drr. ‘j-4-f f \ \ _f’ f 1 \° _ Enaraved hr JMLowry.
TRANSVERSE SECTION" AT THE END OF THE TUBE TRANSVERSE SECTION AT THE MIDDLE OF THE TUBE
.SHEvrirc; the apparatus for raisinp the ttbe to its place. shewing i iie bridge "*'iif.n finished.
COHWAT TO BUI AIK. jBMIDi&iE.
KOBKHT STIiPHF.N'SON. AND W M F A i K B A1 R N, KNC [ N E E KS