182 Working Outfits. 
EIGHTH PROPERTY. 
CrysTAL SysTeM AND ForMs. 
100 white crystal models in Plaster....... $16.00 
NINTH PROPERTY. 
ScALE OF FUSIBILITY. 
a. 1, Stibnite; 2, Natrolite; 3, Almandite; 
4, Actinolite; 5, Orthoclase; 6, Bronz- 
ite. In paste board trays............. $ 1.00 
b. Large specimens, mounted on cherry 
hloolte sos yee eis k vee a 3.00 
TENTH PROPERTY. 
SPECIFIC GRAVITY. (G.) 
Prof. Jolly’s Spiral Balance, for rapid and 
exact determination of the specific gravity 
of minerals, with 4 assorted spirals, on 
wooden support and scale, on mirror 
gladsé (Price i.) fii aes «ok ba $17.00 
COLLECTION OF MINERALS, MODELS, BLOW- 
PIPE AND ASSAY OUTFITS. 
BLOWPIPE COLLECTION. 
25 specimens, in hard wood case......... $ .%5 
50 specimens, in hardwood case......... 1.50 
100 specimens, in hard wood case......... 3.50 
200 specimens, in hard wood case......... 8.00 
ORES AND METALLIC MINERALS. 
25 specimens, only the common metals, av- 
eraging 34x84 inch, case............. $ 1.00 
25 specimens, larger size, printed labels, in 
pasteboard.: trays . . i... 6.. keene 2.50 
50 specimens, illustrating ores of both the 
common and rare metals, printed labels, 
in pasteboard trays... -... . sims ss owes 10.00 
ORES OF THE Rarer METALS. 
15 spechMens wisi d ess ose ba ae ee $ 4.50 
2H. -BPECIMENS. si Sirgen +5 4558 Seale 10.00 
GOLD AND SILVER OREs. : 
20 -SPCCMOBS 5.25 tte. «00.4. ho wa ee $ 6.00 
Ce ee a 
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