Télescope réfracteur de 6 pouces sur trépied en bois, Maurice Manent & Secretan, Paris, début du 20ème siècle

L 162 cm (length of tube and eye piece) 

H ca. 220 cm (total height with tube tilted in upright position, set up as on the presentation images)

Maurice Manent is a French precision instrument maker. He founded his business in 1911, located Rue du Parc 44, La Croix-de-Berny, Seine. 

Literature:

- A.D. Andrews, 'Cyclopaedia of Telescope Makers Part 3 (K-N)', in: Irish Astronomical Journal, 1994, vol. 21 (3/4), p. 207.