The call number listed below is based on general Library of Congress subject classifications. These numbers are provided primarily as a browsing tool. This lists is presented as a quick guide to selected subject and call number ranges, and not a comprehensive research tool.

Subject Call No.

• General   QC1-75
• Weights and measures   QC81-114
• Descriptive and experimental mechanics    QC120-168.85
• Atomic physics. Constitution and properties of matter including molecular physics, relativity, quantum theory, and solid state physics.   QC170-197
• Acoustics. Sound   QC221-246   
• Heat  QC251-338.5
• Thermodynamics QC310.15-319
• Optics. Light  QC350-467
• Spectroscopy  QC450-467
• Radiation physics (General)  QC474-496.9
• Electricity and magnetism  QC501-766
• Electricity  QC501-(721)
• Electromagnetic theory  QC669-675.8
• Radio waves (Theory)  QC676-678.6
• Electric discharge  QC701-715.4
• Plasma physics. Ionized gases  QC717.6-718.8
• Magnetism  QC750-766
• Nuclear and particle physics. Atomic energy. Radioactivity  QC770-798
• Elementary particle physics  QC793-793.5
• Radioactivity and radioactive substances  QC794.95-798
• Geophysics. Cosmic physics  QC801-809
• Geomagnetism  QC811-849
• Meteorology. Climatology.  Including the earth’s atmosphere  QC851-999
• Meteorological optics   QC974.5-976
• Climatology and weather   QC980-999
• Weather forecasting  QC994.95-999

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