1. The sensitivity of EGRET to gamma-ray polarization

   • John R. Mattox

   OriginalPaper Pages: 75 - 84

2. The micrometers of the Carlsberg Automatic Meridian Circle

   • L. Helmer
   • C. Fabricius
   • L. V. Morrison

   OriginalPaper Pages: 85 - 99

3. A new mask-antimask coded-aperture telescope for hard X-ray astronomy

   • J. Braga
   • T. Villela
   • J. A. Neri

   OriginalPaper Pages: 101 - 113

4. A sky-noise measurement and its implication for ground-based infrared astronomy in the 10μm atmospheric window

   • H. U. Käufl
   • P. Bouchet
   • U. Weilenmann

   OriginalPaper Pages: 115 - 122

5. Frequency selective surfaces for radio astronomy

   • Yoshihisa Irimajiri
   • Toshiaki Takano

   OriginalPaper Pages: 123 - 136

6. Erratum

   Erratum Pages: 137 - 137