overall: 12 in x 3 5/8 in x 3 in; 30.48 cm x 9.2075 cm x 7.62 cm
overall: 11 5/8 in x 3 1/2 in x 3 1/8 in; 29.5275 cm x 8.89 cm x 7.9375 cm
Object Name:
gas generator, dropping
Description:
The Freas gas generator was designed by Thomas B. Freas (1868-1928), a professor at the Kent Chemical Laboratory at the University of Chicago. According to advertisements, it was an “effective, cleanly, economical method of obtaining any gas desired for use.” Freas also developed an oven suitable for chemical and biological experiments.
Ref: Central Scientific Co., Physical and Chemical Apparatus (Chicago, 1909), p. 312.
