Answers are grounded in this paper and cite their sources.
(1963). Experience with Light Scattering Particle Counters. Archives of Environmental Health: An International Journal: Vol. 6, No. 3, pp. 386-400.
No takes yet. Share an insight, caveat, or question.
Cbannell et al. (1963) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: