uv199.com

Research Notes:

I need to keep track of some of the primary sources of tube information. When listed here, these sources represent information to be completely transcribed, and will note complete when done.


Personal Collection

  • 5000 Trade Names, Jan-1927, Guage Publishing {letters A-B complete}

References for tube specifications, brand-maker names, and production output. 

  • Index of Patents Issued, 1922. From Hathitrust.org.
  • The Radio Dealer, Nov-1922, 'Efficient Operation of Detector Tubes' - Sterling G Sears, pgs. 53, 118, 119 
  • The Radio Dealer, Dec-1922,  'Efficiency from the Amplifier Tube' - Sterling G Sears, pgs. 43, 84, 85
  • Index of Patents Issued, 1923. From Hathitrust.org.
  • Annual Report of the Commissioner of Patents, 1924. From Hatitrust.org
  • Annual Report of the Commissioner of Patents, 31-Dec-1925. From Hatitrust.org
  • Consolidation of 1926 Official Patent Gazette publications (no index avail) From Hathitrust.org.
  • Radio Broadcast, Apr-1926, 'The Tube and it's Best Uses' - Keith Henney, pgs. 658, 659, 660, 661, 662, 663
  • Radio Broadcast, Oct-1926, 'How to Measure your own Tubes' - Keith Henney, pgs. 499, 500, 501, 502, 503
  • Radio Retailing, Nov-1926,'Specifications of Receiving Tubes' pgs. 69, 70, 106
  • Index of Patents Issued, 1927. From Hathitrust.org.
  • Radio Retailing, Nov-1927, 'Specification of Receiving Tubes' pgs. 94, 95, 96, 97, 98
  • Radio Broadcast, May-1928, 'Tube Overloading' pg. 48
  • Radio Retailing, Nov-1928, 'Tube Specifications' pgs. 61, 62, 63, 64, 65, 79   {DC tubes complete}
  • Radio Broadcast, Nov-1928, 'New Radio Tubes Needed' pg 24 (UX-201B, WX-25, UX-121B)
  • Radio Retailing, May-1929, 'Directory of All Types of Receiving Tubes' pgs. 96
  • Radio Broadcast, Jun-1929, '1929 - The year of 100,000,000 tubes', pg. 85
  • Radio Broadcast, Jul-1929, 'The Tube Business', pg. 177
  • Radio Broadcast, Aug-1929, 'The Tube Business', pg. 216
  • Radio Broadcast, Sep-1929, 'The Tube Business', pg. 278
  • Radio Broadcast, Oct-1929, 'The Tube Business' pg. 337 
  • Radio News, Oct-1929, 'The Tube Industry becomes Big Business' - William F. Mathews, pg. 323, 324, 325
  • Radio Craft, Oct-1929, 'Vacuum Tubes for Radio Reception' - C.W. Palmer, pgs. 168, 169, 170, 171
  • Radio Broadcast, Nov-1929, 'The Tube Business' pg. 30
  • Radio Broadcast, Dec-1929, 'The Tube Business' pg. 96
  • Radio Broadcast, Jan-1930, 'The Tube Business' pg. 161
  • Radio Today, Oct-1935, 'Annual Radio Trade Directory - Tubes' pg. 63

References for early tube testing

  • Radio News, Sep-1921, 'Measuring the Characteristics of Vacuum Tubes' - Leland J Lease, pgs. 199, 265, 266
  • Radio Digest, 16-Jun-1923, 'Characteristics of Some New Vacuum Tubes' - H.J. Marx, Part I, II, III
  • Radio Digest, 19-May-1923, 'How to make a Two Electrode Tube' - J.K. Smith, pg. 12

Early Military tube references

** Nov 1926, pg 69 trade Camden Glass Works