KEY INSTRUMENTS CONTRIBUTED
To
COLORIMETRIC
VOLUMETRIC
The E l e c t r o p h o t o m e t e r is a sensitive light measuring instru ment; is easily cali brated, and has a wide range of application.
The Titrimeter is the standard instrument for stoichiometric titrations of all types.
ANALYTICAL
CHEMISTRY
GRAVIMETRIC
POLAROGRAPHIC
The G r a m - a t i c Bal a n c e is the latest de velopment in accurate weighing. No separate weights — fast—direct reading.
The E l e c d r o p o d e employs the dropping mercury electrode for rapid quantitative and qualitative analysis.
BY FISHER SCIENTIFIC COMPANY ELECTROLYTIC
NEPHELOMETRIC and FLUOROMETRIC
The Electro-Analyz e r determines non-fer rous metals by electro lytic deposition; oper ates directly on 110 volts A.C.
The Nefluoro-Photom e t e r determines tur bidity by measuring re flected light, and also measures emitted fluo rescent light.
Headquarters for Laboratory Supplies
FISHER SCIENTIFIC CO. 717 horbes bt,, Pittsburgh {I?), Ha. 2 I 0 9 Locust St., St· Louis ( 3 ) , Mo*
MPSB^
Ε Ι Μ Ε R AND AMEND Greenwich and Morton Streets N e w York ( 1 4 ) , N e w Y o r k
