PCIE NCE 
S ; ) SINGLE CoPi&s, 15 crs, 
a ao ee BLL Fripay, Marcu 15, 1901. ANNUAL SUBSCRIPTION, $5.00 
Chemicals and Chemical Apparatus 
fenat. Grosse. 
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NEW PLATINUM-RHODIUM 
PYROMETER 
With German Government and Weston’s Certificate 
_ of Correctness 
Serre een Se nani saq 
IIEMUTEZIOF Uassiaj\y [eAoyy pure uysaq [eAoy 
Schott & Genossen’s Famous Jena Laboratory Glassware 
Furnishing for the first time a pyrometer with officially 
attested corrected indications 
Sole Agents for 
Carl Schleicher 8¢ Schuell’s C. P. Filterpapers 
ALL KINDS OF HEAT TESTING INSTRUMENTS 
For TECHNICAL and SCIENTIFIC PURPOSES 
EIMER & AMEND, tio avexus New — 
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