Semmer, Charles

Scope and Contents

(2736B) High Altitude Observatory [HAO] Boulder staff with Walter Orr Roberts, Lee Lacey, Dorothy Trotter, and Bob Lee at the Sommers-Bausch Observatory in 1954, copies for Dr. Roberts' retirement, January 2, 1975; (5957B) HAO historical display, copy, May 8, 1983; (6291BC) Display posters for HAO, copies, May 31, 1984; (7137BC) HAO display boards, August 3, 1987.

Scope and Contents This folder contains a wide array of images representing computing equipment at NCAR across the years, and people involved in computing. Neg. 121-7, man using a computer punchcard machine; 539c-10, people with stacks of computer punchcards, photo used in UCAR50 publication; 3474-16, signing of the contract for Cray 1a; 4653c, Cray 1; 6542-45, tape reels; 6542-51, woman adjusting tape reels on computer, photo used in UCAR50 publication; 6760-4, Walter McIntyre; 6951c-39, Computer...

Scope and Contents (191) Hollow Square, photo show, March 1966; (402) Line Islands Experiment, Hollow Square, presentation of American flag to Walter Orr Roberts by William Lanterman, June 1, 1967; (412) Jeannette Piccard, Hollow Square, tour, June 23, 1967; (789B) 1948 V-2 #40 rocket pictures used for Hollow Square, May 3, 1968; (1233) Henry van de Boogaard, speaker, conducting Hollow Square, February 27, 1968; (2563) Hollow Square, David Leslie, September 20, 1974; (2672) Hollow Square, Michael Hart,...

Scope and Contents (743) Instrument, hygrometer, February 19, 1969; (1516) Ultraviolet hygrometer, April 11, 1972; (1525C) Ultraviolet hygrometer, April 4, 1972; (2052C) Hygrometer, October 19, 1973, photographed by: Mike Howard; (2289B) Hygrometer, April 16, 1974; (2584B) Hygrometer lamp and chart, copies, October 4, 1974; (2712B) Hygrometer, copy, December 16, 1975; (2943) Hygrometer, May 7, 1975; (3140) Hygrometer, August 21, 1975; (4510) Hygrometer, March 28, 1978; (4936) Hygrometer, aircraft...

Scope and Contents

(1176) Ernest Lichfield's NCAR patented hypsometer.

Scope and Contents (576B) Ice and water on copper plate, artwork, prints, February 1, 1967; (1362B) Ice composite through polascreen, one negative, April 19, 1972; (1372B) Ice growth, copy, May 8, 1972; (2689B) Ice depth charts, copy, November 22, 1974; (2713B) Radio echo of ice, copy, December 12, 1975; (2742B) Ice, impact tracers, copy, January 9, 1975; (2836B) Ice growth composites, copy, March 13, 1975; (2865B) Ice throwing machine, March 24, 1975; (3773C) Ice on rock, below library window, December...

Scope and Contents (1197) Ice crystal growth in lab, test 1, test 2, January 7-8, 1971; (2264B) Composite ice crystal, April 10, 1974; (2582B) Ice crystal composite from sailplane sampling, October 4, 1974; (2583B) Ice crystal composite, October 4, 1974; (2787B) Ice crystals, copy, February 5, 1975; (3562B) Ice crystal composite, May 1976; (4173B) Ice crystals, copies, August 16, 1977; (4483B) Ice crystal composite, March 13, 1978, photographed by: Jan Rosinski; (4500B) Ice crystal composite, March 20,...

Scope and Contents

(514B) Ice nucleus concentration in iodine-treated air, October 1966, Boulder, date of negatives: November 2, 1966; (560B) Ice nuclei concentration, five graphs, January 13, 1967; (2764B) Ice nucleus deposits, January 20, 1975; (3061C) Wind tunnel, ice nucleus, Big Springs, Texas, July 17, 1975; (3299B) Ice nucleation and growth, January 6, 1976.

Scope and Contents (1141) Ice nucleus counter, lab equipment in Gerhard Langer's lab, September 4, 1970; (1468) Ice nuclei counter, instrument, February 1, 1972; (1484) Panel, ice nuclei counter, February 24, 1972; (1596) Ice nucleus counter, June 26, 1972; (2703) Ice nuclei counter, membrane developing unit and filter, impactor, December 5, 1974; (2931) Ice nucleus counter, May 1, 1975; (3808) Fabrication of an ice nucleus counter for Gerhard Langer, National Hail Research Experiment [NHRE], December 2,...

Scope and Contents

(4124) Charlie [Charles] Knight's ice particle collector for sailplane 29-J, July 11, 1977; (4386) Ice particle collector, January 18, 1978.