Eeport U. S. P. C. 1883.— Tanner. Alba 



d 



Fiq 5. 



Jo ^ o^, 

 ioP^,o\ 



PLATE XXXIII 



ooi 



Fia.S. 



Sigbee's tletacher, used iu couuectiou with a motUflcatiou of Captain Belkuap's soimdiug cyliuder No. 2. 



