The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Results 1-5 of 83
Page 18
... apparatus . The expedi- tions will be equipped , each with a sta- tionary camera from forty to sixty - five feet long , and each with a polar axis , on which will be mounted a camera of from twelve to fifteen feet focal length , and ...
... apparatus . The expedi- tions will be equipped , each with a sta- tionary camera from forty to sixty - five feet long , and each with a polar axis , on which will be mounted a camera of from twelve to fifteen feet focal length , and ...
Page 19
... apparatus as they will do during the eclipse , in order that no hitch may mar the perfection of the results looked for . N2.109 instruments . Each station also has a portable dark room for developing plates . The main work of the ...
... apparatus as they will do during the eclipse , in order that no hitch may mar the perfection of the results looked for . N2.109 instruments . Each station also has a portable dark room for developing plates . The main work of the ...
Page 21
... apparatus consisting of a wick , about two feet in length , which takes a certain period to consume . Knots are tied at intervals , which give an indi- cation of the time . The sandglass is also of antiquity ; but to this day a ...
... apparatus consisting of a wick , about two feet in length , which takes a certain period to consume . Knots are tied at intervals , which give an indi- cation of the time . The sandglass is also of antiquity ; but to this day a ...
Page 26
... apparatus is quite another matter , and occupies ten hours - five for the chimes , and five for the striking of the hours . The clock , as a timekeeper , has no superior in the world , its error being only one second in eighty - five ...
... apparatus is quite another matter , and occupies ten hours - five for the chimes , and five for the striking of the hours . The clock , as a timekeeper , has no superior in the world , its error being only one second in eighty - five ...
Page 63
... zero as possible the friction of the bearing on which the mo- This apparatus consists of a rotating copper disc of a. PARTS OF TYPE C METER . MAGNET - MEASURING MACHINE . BABIES IN INCUBATOR . Showing. MAKING ELECTRIC METERS 63.
... zero as possible the friction of the bearing on which the mo- This apparatus consists of a rotating copper disc of a. PARTS OF TYPE C METER . MAGNET - MEASURING MACHINE . BABIES IN INCUBATOR . Showing. MAKING ELECTRIC METERS 63.
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