Particles, 1966-1978

(117B) Particle density, charts, October 8, 1965; (173B) Particles in space and atmosphere on micro, November 23, 1965; (325B) Particles, May 16, 1966; (335B) Particles, May 23, 1966; (365B, 366B, 367B) Particles, copy negatives from publication, June 17, 1966; (376B) Particles: pollen grains and miscellaneous, June 29, 1966; (425B) Particles, August 24, 1966; (471B) Particle plot charts, September 1966; (484B) Particles, October 19, 1966; (508B) Particle distribution, temperatures, October 26, 1966; (540B) Particle, water droplet, January 3, 1967; (612) Deposition of particles on fiber, May 27, 1968; (638) Evy Frank with pictures of particles and mug, July 1, 1968; (801B) Particles, May 23, 1968; (878B) Particles composite, December 9, 1968; (879B) Particles, H2SO4 [sulfuric acid], December 16, 1968; (883B) Particles, December 16, 1968; (1177B) Composite of two graphics placed data on particles, February 24, 1971; (1691) Magnetic particles, copy, December 12, 1972; (1969B) Micro particles, dirt, August 13, 1973; (2013B) Particles, copy, September 11, 1973; (2221B) Particles, three copies, March 7, 1974; (2341B) Particles, May 24, 1974; (2352B) Particles, traces, June 3, 1974; (2427) Electron microscopic particles, July 10, 1974; (2559B) Owl particle counter, September 18, 1974; (2651B) Particle composite, copy, November 6, 1974; (2716B) Particle screen, copy, December 13, 1975; (2788B) Particles on filter, February 5, 1975; (3055B) Filter particle composite, July 14, 1975; (3424B) Copy, particle composite (4), April 7, 1976; (3432B) Particle composites, copies, April 13, 1976; (3477B) Particle camera photos, four copies, May 13, 1976; (3509C) Alaska particle, volcano, May 28, 1976; (4839B) Particle composite, copy negative, November 21, 1978.