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Letchworth Optical Instrument Co
Europe: United Kingdom, England, Letchworth
overall: 483 x 490 x 155 mm
Projection focimeter with body of white metal and black plastic. On/off switch, MICRO switch (broken). Side-wheel to adjust green filter. Height-adjustable shiny metal support bar. Electric flex trimmed.
Gift of Eyedeal Eye Opticians, 1999