reliability factor

another reason why: More and more laboratories RELY ON THOMAS

Thomas ARTHUR H. THOMAS COMPANY Scientific Apparatus and Reagents

V I N E S T R E E T AT 3 R D · P. O. BOX 7 7 9 · P H I L A D E L P H I A 5, PA. , U . S . A . Circle No. 107 on Readers' Service Card

1 1 0 A • ANALYTICAL CHEMISTRY

where: f ' = a prime function of Τ = Thomas Ia = inspection of apparatus η = to the n t h degree

M ftat..