With brass metalwork and ivory label with the words"" I Chadwick W. Manchester"" this is the simplest and cheapest model version 20 shillings shown in the announcement of 1892 the British Journal Almanac. The total length, including eye shadow, is 22 cm. Screen, made of a brass tube 40mm or / day, is mounted with a screw diameter 38.5mm. a visor and a small splinter of wood on the side of the base where it attaches to the lens panel missing. The lenses are clean and excellent. Translation done with the free version of the translator www.DeepL.com/Translator Measures Viewer / Glass 8x17
