21 Free Images of Psm/clocks

popular science monthly illustrations/volume 22illustrations of clocks in englandpopular science monthly illustrations/volume 20special clocks19th-century clockselectric clockworksprecision pendulum clocks
PSM V22 D353 Clock face with synchronizer attached
popular science monthly illustrations/volume 22electric clocks
PSM V20 D324 Distributing clock of the pneumatic system
popular science monthly illustrations/volume 20special clocks
PSM V22 D169 Greenwich clock escapement
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V20 D320 Pendulum of secondary clock
popular science monthly illustrations/volume 2019th-century clocks
PSM V22 D173 Greenwich clock compensation for barometric pressure
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D175 Mean solar standard clock arrangement at greenwich
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D347 Diagram of electric connections between clock and chronopher
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D351 Time setting of london clocks from a central box
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D345 The chronopher schematic
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D343 Perspective of the chronopher
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D344 The chronopher viewed in elevation
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D350 Barraud and lund indicators
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D352 Time synchronizer mechanism
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D354 Barraud and lund time bell
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D170 Greenwich pendulum sectional view
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D170 Greenwich pendulum elevation view
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D170 Two views of the greenwich pendulum
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V22 D170 Two views of the greenwich pendulum horizontal
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V20 D319 Regulator of the paris observatory pendulum contact plates
19th-century clockstime
PSM V22 D355 Barraud and lund time bell and flashing signal
popular science monthly illustrations/volume 22illustrations of clocks in england
PSM V20 D322 Map of paris with observatory circuit outlined in black
1880s images of paris1882 maps
1 - 21 of 21
/ 1