256 Topics for Drill 



Ship-yards and Floating Docks (34) on bank of 

 river, Construction and uses of Floating and Dry Docks, 

 Name some. Page 53. 



Ships how built, Steamships how built, a 

 launch, what is it, how ships move, how steamships 

 move, names of masts, sails, etc., what they carry, 

 Steam, what is it, how move wheels, names of parts 

 of machinery, Great Eastern, iron-clads, battle be- 

 tween Monitor and Merrimac In what time is the Atlan- 

 tic Ocean crossed by steamships by sailing vessels. 

 Pages 45 to 56. 



Canals (14, 15) how built their uses, Locks how 

 boats are lowered and raised, pages 82 to 84, Name some 

 canals. Page 85. 



Reservoirs (16), What are they their use, Aque- 

 ducts, What are they their use how water fills them 

 how Chicago and Cleveland are supplied with fresh 

 water where from. Page 86. 



Straits and Channels (21), What are they what 

 do they connect what do they separate, Mention some. 



Mountains (4), What are they highest covered 

 with what, Melting snow forms what, Minerals they 

 contain their trees, mines, and mountain streams, 

 How Mines (30) are constructed coal, how obtained 

 how formed -charcoal burning gas dangers in mines 

 iron, how made, silver, how obtained gold tin lead 

 copper. 



Salt how and where obtained, Chute or Shoot 

 (31), what use. Pages 144 to 156. 



Mountain Lake (7) *rom what formed, Name the 



