I. Photosensitive Glasses.- 1. General Considerations.- 2. Compositional Characteristics of Photosensitive Glasses.- 3. The Photographic Process.- 4. The Latent Image and Its Properties.- 5. The Developed Image.- 6. Photosensitive Opaline Glasses.- 7. Theory of the Photosensitive Process.- 8. Irradiation of Photosensitive Glasses at High Temperatures.- II. The Formation of Nuclei and the Crystallization of Glass.- 1. Homogeneous, or Spontaneous, Crystallization.- 2. Heterogeneous, or Catalyzed, Crystallization.- 3. Two-Phase Separation and Catalyzed Crystallization of Glass during the Preparation of Glass-Ceramics.- 4. Mechanism of the Action by TiO2 during Catalyzed Crystallization of Titanium-Containing Glasses.- 5. Immiscibility and Crystallization in Glasses Containing Small Amounts of Platinum or Platinum-Group Metals.- 6. Formation of Nuclei and Growth of Colloidal Particles in Photosensitive Glasses.- 7. Critical Size of Stable Nuclei for Heterogeneous Crystallization.- 8. Effect of the Catalyst on the Composition of Precipitating Crystals. Number and Size of the Crystals.- III. Production Technology and Chemical Compositions for Photosensitive Glasses and Photosensitive Glass-Ceramics.- 1. Copper-Containing Photosensitive Glasses.- 2. Gold-Containing Photosensitive Glasses.- 3. Palladium-Containing Photosensitive Glasses.- 4. Silver-Containing Photosensitive Glasses.- 5. Production Technology of the Photosensitive Glass “Fotoform”.- 6. Production Technology and Some Chemical Compositions for Photosensitive Glass-Ceramics.- 7. Metal-Coating of Articles Made from Photosensitive Glass-Ceramics.- IV. Chemical Compositions and Production Technology of Glass-Ceramics.- 1. Glass-Ceramics in the Li2O—Al2O3—SiO2 and MgO—Al2O3—SiO2 Systems with Ti02 Additions, Characterized by a Low Linear Thermal Expansion Coefficient.- 2. Glass-Ceramics in the RO—Al2O3—SiO2 System (Where RO is CaO, ZnO, CdO, BaO, PbO, MnO, FeO, or CoO) with TiO2 or ZrO2 Additions. Glass-Ceramics Transparent to Infrared Radiation.- 3. Glass-Ceramics in the CaO—A12O3—P2O5— SiO2 System and in Other Systems with P2O5 Additions, Having the Properties of English Hard Porcelain.- 4. Glass-Ceramics in the PbO—ZnO—B2O3—SiO2 System. Crystallizing Solder (Sealing) Glasses.- 5. High-Silica Glass-Ceramics in the SiO2—Na2O—K2O System with Fluorine Additions, Characterized by a High Linear Thermal Expansion Coefficient.- 6. Glass-Ceramics with a High Nb2O5 Content, Characterized by a High Dielectric Permeability. Glass-Ceramics Based on Nonsilicate Glasses.- 7. Glass-Ceramics Close in Composition to Synthetic Micas (Mica Glass-Ceramics). Romanian Porcelain Made from Glass.- 8. Glass-Ceramics in the Na2O—A12O3—SiO2 System with ? ? 60–120 · 10-7 (°C)-1. Glass-Ceramics Based on Rocks.- 9. Glass-Ceramics Based on Blast-Furnace Slags (Slag Glass-Ceramics), Characterized by High Wear Resistance and Good Chemical Stability.- 10. Colored Glass-Ceramics.- 11. Production Technology of Glass-Ceramics.- V. Properties of Glass-Ceramics, Photosensitive Glasses, and Photosensitive Glass-Ceramics.- 1. Microstructure.- 2. Physical Properties.- a. Density.- b. Porosity.- 3. Mechanical Properties.- a. Strength.- b. Elastic Modulus.- c. Hardness.- 4. Thermal Properties.- a. Linear Thermal Expansion Coefficient ?.- b. Thermal Stability.- c. Heat Conductivity.- d. Heat Capacity.- 5. Electrical Properties.- a. Electrical Resistivity.- b. Dielectric Permeability e and Dissipation Factor.- c. Electric Strength.- 6. Chemical Properties.- 7. Optical Properties. Transparent Glass-Ceramics.- VI. Areas of Application of Photosensitive Glasses, Glass-Ceramics, and Photosensitive Glass-Ceramics.- 1. Photosensitive Glasses in Science and Technology and in Construction.- a. Fine-Structured Grids and Screens for Storage and Transmitter Tubes Used in Color Television.- b. Masks for the Sputtering of Thin-Film Circuits and Shadow Masks for Color-Television Picture Tubes.- c. Plates for Pneumatic-Jet Technology (Fluidics).- 2. Photosensitive, Reversibly Darkening Photo-chromic Glasses.- a. Chemical Compositions and Production Technology of Photochromic Glasses.- b. Photochromic Properties and Spectral Sensitivity of Glasses, and the Mechanism of the Photochromic Process.- c. Areas of Application for Photochromic Glasses.- 3. Photosensitive Glass-Ceramics Articles Used in Electronics.- a. Micromodular Boards.- b. Functional Boards for the Assembly of Basic Modular Blocks.- c. Substrates for Printed Circuits.- d. Attenuator Boards.- 4. Nose Cones and/or Shields for Guided Missiles.- 5. Glass-Crystalline Cements in Vacuum Technology.- a. Properties of Glass-Crystalline Cements.- b. Direct Joining of Glass-Ceramics and Metals without Employing Glass-Crystalline Cements.- 6. Glass-Ceramic Envelopes for Vacuum Electronic Apparatus Operating at High Temperatures.- 7. Glass-Ceramics in Machine-Building.- a. Glass-Ceramic Ball Bearings.- b. Glass-Ceramic Parts for Internal Combustion Engines.- c. Heat-Resistant Glass-Ceramic Coatings for Metals.- 8. Glass-Ceramic Piping and Tubing for the Chemical and Petroleum-Refining Industries.- 9. Glass-Ceramics for Construction and Common Daily Use.- 10. Other Areas of Application for Glass-Ceramics.- 11. Cost of Glass-Ceramics.- Literature Cited.