The Plwspliates of America. 



177 





TABLE SHOWING THE PRINCIPAL APPARATUS 

 REQUIRED IN "PHOSPHATE MINING" OR 



1 sand-bath. 



1 set fine sieves. 



1 iron mortar with pestle. 



Porcelain evaporating-dishes. 



Hydrometer for light liquids. 



Hydrometer for heavy liquids. 



Mohr's burette with pinch-cock, 50 



c.c. in j 1 ^. 

 Mohr's burette with pinch-cock, 100 



c.c. in |. 



Iron support for two burettes. 

 10-inch lipped cylinders. 

 Graduated cylinders, 100 c.c. 

 Iron wire triangles. 

 Pieces brass wire gauze, 6x6. 

 Iron tripods. 



Test-tubes, 5 and 6 inches. 

 Test-tube stands. 

 Desiccators. 

 Triangular files. 

 Round files. 

 Funnel supports, wood, for four 



funnels. 



Retort stands, iron, 3 rings. 

 Quire filter-paper. 

 24 4-ounce German tincture bottles. 

 12 16 - ounce German tincture 



bottles. 



German glass tubing. 

 Dozen glass stirrers. 

 Horn spoons with spatulas. 

 Rubber tubing for connections. 

 Flasks, 2, 4, 6, 8, 12, 16 ounces. 

 1 carbonic-acid apparatus, Schrotter. 

 Liebig's condenser, 20 inches. 

 Condenser support. 

 Gay-Lussac's burette, 50 c.c. in fa 

 Burette floats to fit Mohr's burettes. 

 4 pipettes, volumetric, fixed, 10, 25, 



50, 100 c.c. 



4 pipettes, Mohr's graduated. 

 5 10 50 100 c.c. 



divided in ^ -^ -^ \ 

 1 Taylor's hand ore-crusher. 

 Half-dozen boxes gummed labels, 

 assorted sizes. 



AND CHEMICALS COMPRISING THE " OUTFIT " 

 "FERTILIZER FACTORY" LABORATORIES. 



Several packages of Schleicher and 

 Schuell's washed and cut filters, 

 7, 9 and 11 centimetres diameter. 



1 large Fletcher's blowpipe. 



1 dozen rubber tips for glass rods. 



1 steel forceps, 4| inches. 



1 air-bath, copper, 6x8 inches. 



10 grammes platinum foil. 



1 yard platinum wire. 



1 gross each wide-mouthed bottles, 

 with corks, 1, 2, 4 ounces. 



Porcelain mortars, 5 inches, with 

 pestle. 



1 pair paper-scissors. 



1 dozen royal Berlin crucibles, Nos. 

 00 and 0, and covers. 



1 30-c.c. platinum crucible. 



1 100-c.c. platinum dish. 



Wash-bottles (pints). 



1 chemical balance (for rough 

 weighing), capacity 5 ounces. 



1 set weights, 100 grammes down. 



2 paper scale thermometers, 100 

 and 200 C. 



Half-dozen each funnels, 2, 2|, 3, 4, 

 5, 6 inches. 



2 dozen beakers with lip, assorted 

 sizes. 



1 dozen 2-inch watch-glasses. 



1 6-inch water-bath, copper, with 



rings. 



1 glass alcohol lamp, 4 ounces. 

 1 Berzelius alcohol-lamp with stand 



and rings. 

 1 fine balance, 100 gramme s 



capacity. 

 1 set of fine weights, 100 grammes 



down. 

 4 each volumetric flasks, marked 



100, 250, 500 c.c. 

 6 litre flasks , glass-stoppered, 1000 



c.c. 



3 mixing cylinders, glass-stoppered, 

 1000 c.c. 



1 nest Berzelius' beakers, 1 to 4. 

 12 sheets each blue, red and yel- 

 low test-paper. 



