BROADWAY 2-1506

BURTON A. WAISBREN, M. D.

SUITE 33t BANKERS BUILDING
208 EAST WISCONSIN AVENUE
MILWAUKEE 2, WISCONSIN

PRACTICE LIMITED TO
INTERNAL MEDICINE

Feo. 1a, 1952

rrof. J. Lederberg
Genetics svuilding
University of wisconsin
Madison, wisconsin

bear br. Lederberg:

I am interested in doing single cell isolation
studies with oacteria anc wes told oy the Aloe Co.
that you have a de f#onprune siicromanipulautor with
whicn I assume you are workinz with single cell
cultures. wefore I sought tne instrument 1 wanted
vO ask if you have found it satistuctory for
isolation of single »sacteria and if yu mignt be
Wiiiing to show me your techniugue.

DSincsrely yours,

Purim Werprnr

SUrtOn a. Weisuren, aD.
fiistructor, berertient of
Internal saliedicine
warcuette kedical Senool
203 Lk. Wisconsin ave.
iliweuxee, wisconsin

BAW? Jein