21 Свободни изкуства за Psm/clocks

PSM V22 D353 Clock face with synchronizer attached
PSM V20 D324 Distributing clock of the pneumatic system
PSM V22 D169 Greenwich clock escapement
PSM V20 D320 Pendulum of secondary clock
PSM V22 D173 Greenwich clock compensation for barometric pressure
PSM V22 D175 Mean solar standard clock arrangement at greenwich
PSM V22 D347 Diagram of electric connections between clock and chronopher
PSM V22 D351 Time setting of london clocks from a central box
PSM V22 D345 The chronopher schematic
PSM V22 D343 Perspective of the chronopher
PSM V22 D344 The chronopher viewed in elevation
PSM V22 D350 Barraud and lund indicators
PSM V22 D352 Time synchronizer mechanism
PSM V22 D354 Barraud and lund time bell
PSM V22 D170 Greenwich pendulum sectional view
PSM V22 D170 Greenwich pendulum elevation view
PSM V22 D170 Two views of the greenwich pendulum
PSM V22 D170 Two views of the greenwich pendulum horizontal
PSM V20 D319 Regulator of the paris observatory pendulum contact plates
време
PSM V22 D355 Barraud and lund time bell and flashing signal
PSM V20 D322 Map of paris with observatory circuit outlined in black
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