1 
36 SCIENTIFIC HOOKS PUBLISIIED BY 
Clark’s Theoretical Navigation. 
8vo. Cloth. $3.00. 
THEOEETICAL NAVIGATION. AND NAUTICAL ASTEON- 
OMY. By Lewis Clark, Lieut.-Commander, TJ. 8. Navy. II- 
lustrated with 41 Wood-outs, including tlie Vernier. 
Prepared for Use at the XT. S. Naval Academy. 
The Plane Table. 
Hlustrated. 8vo. Cloth. $2.00. 
ITS USES IN TOPOGEAPHICAL SUEVEYING. From the 
Papers of the IT. S. Coast Survey. 
This work gives a description of the Plane Table employed at the IT. S. 
Coast Survey Office, and the raanner of using it. 
Pook on Shipbuilding. 
8vo. Cloth. $5.00. 
METHOD OE COMPAEING THE LINES AND DEAUGHT- 
ING VESSELS PEOPELLED BY SAIL OE STEAM, in 
cluding a Chapter on Laying off on the Mould-Loft Eloor. By 
Samuel M. Pook, Naval Constructor. 1 vol., 8vo. With illus- 
trations. Cloth. $5.00. 
Brunnow’s Spherical Astronomy. 
8vo. Cloth. $6.50. 
SPHEEICAL ASTEONOMY. By F. Brunnow, Ph.- Dr. Trans- 
lated hy the Author from the Seeond German edition.