...J P GRIFFITH © Thomas Telford and ICE 1920 ENGINEERS MEMBERS PRESIDENTS INSTITUTIONS PROFESSIONS LOCAL ASSOCIATIONS LEGAL STATUS OUTPUT INDUSTRIES ENGINEERING TELESCOPES ASTRONOMY SHIPS SLUICES CONCRETE BLOCKS FACTORIES RAILWAYS TRAMWAYS LIGHTHOUSES PEAT FUEL WATER...

...H LOUIS © Thomas Telford and ICE 1917 DEVICES TACHEOMETRIC PLANE TABLES SURVEYING SURVEYS TACHEOMETERS INSTRUMENTATION APPARATUS TELESCOPES Papers.] LOUIS ON TACHEOMETRIC PLANE-TABLE SURVEYING. 359 (Pap.. No. 4226.) A New Device for Taoheometric Plane-Table 8urveying...

... revolutions, five of which cover the spacebetween m y t,ww of t,he fixed point,s. The telescope is :L plain open one with an object-glass of 143 inches principal focal length, fixed 8 inches in front of the axis ; the constant t o be added to all stadia andmicrometer distances is therefore 1e 9 foot or 2 feet...

...A E YOUNG © Thomas Telford and ICE 1900 THEORY TELESCOPES LENSES INSTRUMENTS INSTRUMENTATION SURVEYING ANALLATIC OPTICS 336 YOUNG ON THE ANALTLEALTEICSCOPE. [Selected {Paper No. 3112.) Note on the Theory of the Anallatic Telescope. By ALFRED ERNEST YOUNQ, AsSoc. M. Inst. C.E...

...R E MIDDLETON OBSERVATIONS TACHEOMETRY SURVEYING TANGENTIAL SUBTENSE SYSTEMS LEVELLING TELESCOPES THEODOLITES SURVEYS Papers.] MIDDLETON ON OBSERVATIONS IN TACHEOXETRY. 311 (Papcr No. 2773.) Practical Observations in Tacheometry. By REGINALEDXPSOMNIDDLETON, M. Inst. C.E. Ix order...

...T G GRIBBLE © Thomas Telford and ICE 1889 SURVEYS SURVEYING FEASIBILITY STUDIES NARROW GAUGES RAILWAYS GORGES INSTRUMENTS INSTRUMENTATION TELESCOPES THEODOLITES TELEMETRY HAWAII SANDWICH ISLAND PACIFIC OCEAN UNITED STATES USA Papers.] GRIBBLE ON SURVEYING...

... is adjusted i n azimuthbytheline b a, the telescope having been reversed i n direction, and the ruler adjusted by the repere marks. An error of a few inches in eccentricity a t B would, ifneglected, be communicated t o all the following lines of the traverse. Instead of attempting a rigid adjustment...

... INSTRUMENTS INSTRUMENTATION METHODS TRIANGULATION TRIGONOMETRY MAPS ALIDADES THEODOLITES TELESCOPES ACCURACY GEOGRAPHY INDIA ASIA ~roceedings.1DISCUSSION ON THE USE OF THE PLANE-TABLE. 217 Discussion. Mr. BRUCEP,resident, i n moving a vote of thanks to the AuthorMr. Bruce. of the Paper...

...B H BROUGH © Thomas Telford and ICE 1888 ROYAL SCHOOL OF MINES TACHEOMETRY RAPID SURVEYING METHODS TACHEOMETERS INSTRUMENTS INSTRUMENTATION SURVEYORS SURVEYS THEORY TELESCOPES MEASUREMENT THEODOLITES LENSES FIELDWORK TOPOGRAPHY APPLICATIONS 282 BROUGH...

...E H COURTNEY (Paper No. 1659.) On Gushing s Reversible Level. By EDWARHDENRYCOURTNEMY,ajor R.E. EVERpYractical engineer is aware of the inconvenience attending Gravatt s adjustment for collimation in all levelling instruments, where the telescope is a fixture in its supports. It has occurred t...

...UNKNOWN © Thomas Telford and ICE 1868 OBITUARIES TELESCOPES 584 MEMOIRS. He was a Commander of the Legion of Honour, a Knight of the Prussian Order of Merit, of the Italian Order of St. Maurice and Lazarus, and a member of numerousscientific bodies on the continents of Europe...

...UNKNOWN © Thomas Telford and ICE 1867 OBITUARIES MATHEMATICS BRIDGES TELESCOPES SURVEYING INSTRUMENTS RAILWAYS MEMOIRS. 565 and he spoke Italian fluently. H e had the faculty of grappling at once withwhathehad to do, andhisreports were generally written off-hand in so lucid...

...GRAVATT; W S MOORSOM; P ADIE; G W HEMANS; METFORD; J SCOTT RUSSELL; J S RUSSELL; A GORDON; MALLET; C B LANE © Thomas Telford and ICE 1862 TELESCOPES MEASUREMENT DISTANCE INSTRUMENTS SURVEYS SURVEYING MICROMETERS 38 MEASURING DISTANCES BY TELESCOPE. Mr. GRAVATsTaid, that as long...

...W B BRAY © Thomas Telford and ICE 1862 TELESCOPES MEASUREMENT DISTANCE INSTRUMENTS SLOPES SURVEYING SURVEYS THEODOLITES 34 MEASURING DISTANCES BY TELESCOPE. November 26, 1861. J. R. CLEAN, Vice-President, in the Chair. No. 1,045 On Measuring Distances by the Telescope. By W I r...

...G TOWNSEND INSTRUMENTS LEVELS STANDS TELESCOPES PLATES © Thomas Telford and ICE 1841 117 lengthbetween 7 feet 6 inches,and 27 feet,with corresponding depths, and of all the forms usually adopted for beams for buildings. Theywereproved in pairs by a hydraulic press placedbetween...

...-proorfoofs of 29 feet span, one of which bears, in addition to the covering, a ceiling of tile arches upon iron girders, the weight of which is equal to 5 tons 4 cwt. upon each truss. The paper is accompanied by two drawings of the roofs. Description of a Double Telescope Theodolite. Arranged by Nathaniel...

... the Azimuth bearing of objects whichareeither above or below the field of view Imelfso.r of the telescope. T h e common level alone cannot take the bearing of suchobjects; for, by elevatingordepressingthe telescope, the action of the compass is destroyed;but,byslippingtheAzimuth Cap on to the end...

...E COWPER © Thomas Telford and ICE 1840 LEVELLING AZIMUTH CAPS TELESCOPES INSTRUMENTS travels. It hastwo axles, one of them fixed andtheother moveable, SO as to accommodate itselftoanyvariationinthewidth between the rails: to the end of the moveable axle is attached an arm, which...