68 NEWTON & CO., Opticians to the Royal Family, … No. 8442. out altogether, at the corresponding difference in price. 8446 Brass Optical Front for ordinary slide projection, fitted with 4J-in. condensers, 6-in.,double achromatic front lens in rack mount, &o. . . . . £6 16 6 8447 If this front is required fitted with an 8-in. or 10-in. front lens,…
