Juty 10, 1880.] 19 ——— 2,is alike in all cases,and is entire- PNEUMATIC CLOCKS, … provided with the pneumatic second reservoir, in which its clock; and public pillar or street pressure is regulated at seven clocks, which are illuminated tenths of an atmosphere by < at night, have been erected in several parts of the city. means of a very simple automatic contrivance. Every mi-…
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