Front matter
Reading edition
SHILLING SCIENTIFIC SERIES
Dr. Aitken’s Dust-Counter.
R is the test-receiver; P the air-pump; M the measuring apparatus; L the illuminating arrangements; G the Gasometer; A the pipe through which the tested air is drawn.
Reading edition
SHILLING SCIENTIFIC SERIES
Dr. Aitken’s Dust-Counter.
R is the test-receiver; P the air-pump; M the measuring apparatus; L the illuminating arrangements; G the Gasometer; A the pipe through which the tested air is drawn.