telescope and barometer

Lot 8595 limit € 20

each brass, telescope with triple telescopic extension and wooden grip, protective lens cap, loose part inside, L approx. 11 to 29 cm, small round table barometer on feet, marked HPBN on the back, scale marked Hazebroucq Ing. Opt. Paris, with matching case, H approx. 7.5 cm, 20th century