Recording Modern Science

अपनी भाषा में प्लॉट जोड़ेंTaken from newsreel recordings. Picard's balloon for stratosphere flight and the accident in which it was destroyed by fire are shown here. Next are modern developments in glass, such as : n... सभी पढ़ेंTaken from newsreel recordings. Picard's balloon for stratosphere flight and the accident in which it was destroyed by fire are shown here. Next are modern developments in glass, such as : non-breakable, elastic glass withstanding the impact of baseball and hammer; the vibrant qu... सभी पढ़ेंTaken from newsreel recordings. Picard's balloon for stratosphere flight and the accident in which it was destroyed by fire are shown here. Next are modern developments in glass, such as : non-breakable, elastic glass withstanding the impact of baseball and hammer; the vibrant quality of a glass violin ; glass cloth, waterproof and fireproof ; hats, suits, and dresses... सभी पढ़ें