COPY
PUBLIC HEALTH LABORARY
4459
Technical College
Bradford
August 19th, 1904.
SPECIMENTS:- Cultures of Bac: Diphtheriai, Cholera, Plague Typhoid
and Tuberculosis, exposed to action of "Clayton Gas."
DATE RECEIVED:- July 21st, 1904.
LAB: NO:-
410/414 inclusive.
The cultures experimented upon were dis-
tributed as follows;
Bac: Typhosus..
.under mattress
"B:Cholerai.
under sheet
Bac: Diphtheriai & Plague in locker 1.
Bac: Tuberculosis...... in locker 2.
The original cul res, from hich the above
were sub-cultures, were examined as controls.
All the cultures exposed to the "Clayton Gas" were found to have been killed; all the controls had
retained their vitality.
(sd) FRIED. W. TURICH,M.D.