English Mechanic and Mirror of Science and Art, Томове 115–1161922 |
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Страница 3
... Astronomical Society at Burlington House greater than that of a florin , which had during the Great War being the outstand- Dr. Jeans gave a summary of two papers to be held close to the ear for the fairying features in this history ...
... Astronomical Society at Burlington House greater than that of a florin , which had during the Great War being the outstand- Dr. Jeans gave a summary of two papers to be held close to the ear for the fairying features in this history ...
Страница 4
... ASTRONOMICAL SOCIETIES - OBSERVA - fore , that the number of the known Asteroids TIONS OF DOUBLE STARS POS- SIBLE OCCULTATIONS - LIST OF ASTEROIDS PERIODIC COMETS WHY IS THE EARTH GLOBULAR ? keen astronomers among its members . There ...
... ASTRONOMICAL SOCIETIES - OBSERVA - fore , that the number of the known Asteroids TIONS OF DOUBLE STARS POS- SIBLE OCCULTATIONS - LIST OF ASTEROIDS PERIODIC COMETS WHY IS THE EARTH GLOBULAR ? keen astronomers among its members . There ...
Страница 32
... astronomical eyepiece , £ 6 10s . 3 - in . , on table stand . 2 eyepieces , and case , £ 10 10s . 3 - in . Starboy ... Astronomical Eyepieces !! Take our advice : Have the best eyepiece that money can buy . Our standard eyepieces are the ...
... astronomical eyepiece , £ 6 10s . 3 - in . , on table stand . 2 eyepieces , and case , £ 10 10s . 3 - in . Starboy ... Astronomical Eyepieces !! Take our advice : Have the best eyepiece that money can buy . Our standard eyepieces are the ...
Страница 44
... ASTRONOMICAL XVI . of the " Perth ( Western Australia ) Astro- graphic Catalogue , " 10s . " The Periods in Internal INSTRUMENTS , Analysis of Plane Geometry , " by C. M. Jessop , M.A. etc. , " 8s . 6d . " Town Theory and Practice ...
... ASTRONOMICAL XVI . of the " Perth ( Western Australia ) Astro- graphic Catalogue , " 10s . " The Periods in Internal INSTRUMENTS , Analysis of Plane Geometry , " by C. M. Jessop , M.A. etc. , " 8s . 6d . " Town Theory and Practice ...
Страница 44
... ASTRONOMICAL TELESCOPES , £ 8 10s . , £ 10 10s . , £ 12 108 . MICROSCOPE OBJECTIVES , 25 / - . · OPTICAL MART 338 , HIGH HOLBORN , W.C. ( Opposite Gray's Inn Road ) , Owing to the scarcity of good - class secondhand ASTRO , TELESCOPES ...
... ASTRONOMICAL TELESCOPES , £ 8 10s . , £ 10 10s . , £ 12 108 . MICROSCOPE OBJECTIVES , 25 / - . · OPTICAL MART 338 , HIGH HOLBORN , W.C. ( Opposite Gray's Inn Road ) , Owing to the scarcity of good - class secondhand ASTRO , TELESCOPES ...
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