" Small And Clever Alignment Circle, Signed"
This topography instrument has the particularity of being easily and quickly dismantled for a minimum of space in its box. To do this, the vertical support of the bezel fits together and locks very easily instead of being attached to the horizontal plate because it is screwed as in classic devices. Hence a box of only 20 by 18 by 8cm, easily transportable. By Sanguet in Paris, the production of which is usually only tachometers. Length of the bezel: 15.5 cm. Limb divided on silver. Late 19th century. 
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