Modello di un verticale canna della pistola macchina perforatrice Reale Fonderia, Berlino, 1774 Modello: scala 1:10 costruito presso il Deutsches Museum

• Collaboratore: Manfred Glueck / Alamy Foto Stock
• ID dell’immagine: EECHYH
• Dimensioni dei file: 46 MB (2,8 MB Download compresso)
• Liberatorie: Modello - no | Proprietà - no
• Dimensioni: 3264 x 4928 px | 27,6 x 41,7 cm | 10,9 x 16,4 inches | 300dpi
• Data acquisizione: 10 ottobre 2014

Altre informazioni

Vertical gun barrel drilling machine Royal foundry, Berlin, 1774 The desire to manufacture effective weapons was an important factor in the development of machine tools. Gun barrel boring mills with vertical work spindles have been used since 1550. In contrast to its predecessor, the horizontal gun barrel drilling machine, they provide a more cleaner bore surface, increasing the accuracy and range of the projectiles. The cast unworked piece for the cannon bore is clamped in a wooden brace and lowered an pulleys to the vertical drill. Two horses turn the drill. The weight of the cannon itself produces the feed. Model: scale 1:10 built at the Deutsches Museum

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