Weak acids such as carbonic acid and acetic acid are also effective accelerators.
"Chlorination of Water"
Joseph Race
Their campaign of reason could make no headway against the "League of Six"-the six great iron and steel companies of the West, who, with their paid lansquenets of the press and hired accelerators of public opinion, clamour for annexation so that they may rivet the chains of their industrial monopoly on the whole continent of Europe.
"Face to Face with Kaiserism"
James W. Gerard
The operator will proportion the coating of iodine and bromine or accelerators according to the strength and composition of the latter.
"American Handbook of the Daguerrotype"
Samuel D. Humphrey