Image intensifier and image converter tubes. Method of measuring sensitivity of the photocathode to white light and to white light with selective light filter
Tests on electric and optical fibre cables under fire conditions. Part 2-1. Test for vertical flame propagation for a single small insulated wire or cable. Apparatus
Rectangular iron all-cast moulding boxes having inside dimensions: length from 2400 to 3000 mm, width from 1600 to 2000 mm, height 700; 800 mm. Construction and dimensions