56

Acid Fumigations for puri
-fying the air an [stoping]
the Progrefs of Contagion as
used at Genoa by Dr. Majon
when that City was visited
by a Martal Contagious
Fever in 1800.
Six Pounds of Common salt
put into and earthern Vefsel
with three Pounds of Oil of
Vitriol and gently heated
to exhale the Vapourmore
[quickiygt] This was used too
fumigate a large Church.
last for small appartments
he recommends spirit of Nitre