f the distant dome. In looking through the sight, the and highly reflective. The curved glass, therefore, acts Fig. 3 shows the instrument applied to a bar sight as a transmitter and a reflector. of light. The tube is for a twelve-pounder rapid-fire mounting. In this case formed at the top into a… … upon the impossibility of seeing the ordinary foresight. bayonet joint arrangement and a small spring catch. The manner in which this optical system works is Fig. 4 shows the sight fitted to a British 0.303 service of the rifle simultaneously with the target. In the well shown in Fig. 6. The rays…
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