LEFT  SEARING A See also:

• RUBBER, INDIARUBBER

rubber guard is fitted See also:

• ROUND (O. Fr. rond, Lat. rotundus, the Fr. is the source also of Du. rond; Ger., Swed., Dan. and Nor. rond)

round the See also:

• EYE
• EYE (O. Eng. edge, Ger. Auge; derived from an Indo-European root also seen in Lat. oc-ulus, the organ of vision (q.v.)

eye-pieces . Its functions are to See also:

• GUIDE (in Mid. Eng. gyde, from the Fr. guide; the earlier French form was guie, English " guy," the d was due to the Italian form guida; the ultimate origin is probably Teutonic, the word being connected with the base seen in O. Eng. witan, to know)

guide the eyes of the observer into the correct position, and to protect them from See also:

• SIDE
• SIDE (mod. Eski Adalia)

side See also:

• LIGHT

light and the distressing effect of See also:

• WIND
• WIND (a common Teut. word, cognate with Skt. vats, Lat. ventus, cf. " weather," to be of course distinguished from to " wind," to coil or twist, O.Eng. windan, cf. "wander," "wend," &c.)

wind . It also See also:

• GUARDS, AND HOUSEHOLD TROOPS

guards the forehead against the See also:

• JAR

jar occasioned by firing heavy guns . The upper portion of the See also:

• FIELD (a word common to many West German languages, cf. Ger. Feld, Dutch veld, possibly cognate with O.E. f olde, the earth, and ultimately with root of the Gr. irAaror, broad)
• FIELD, CYRUS WEST (1819-1892)
• FIELD, DAVID DUDLEY (18o5-1894)
• FIELD, EUGENE (1850-1895)
• FIELD, FREDERICK (18o1—1885)
• FIELD, HENRY MARTYN (1822-1907)
• FIELD, JOHN (1782—1837)
• FIELD, MARSHALL (183 1906)
• FIELD, NATHAN (1587—1633)
• FIELD, STEPHEN JOHNSON (1816-1899)
• FIELD, WILLIAM VENTRIS FIELD, BARON (1813-1907)

field presented to the left eye is used as a finder, the See also:

• LOWER

lower portion is occupied by the See also:

• SCALE
• SCALE (1) A

scale upon which the ranges are engraved . The finder is a See also:

• LOW, SETH (1850- )
• LOW, WILL HICOK (1853- )

low-See also:

• POWER [WILLIAM GRATTAN] TYRONE (1797-1841)

power See also:

• TELESCOPE

telescope of large field, to the centre of which the See also:

• OBJECTIVE, or OBJECT GLASS

objective is brought . When the telescope is thus correctly aligned, the objective will be seen with the right eye largely magnified, but as two partial images separated by a thin See also:

• BLACK
• BLACK, ADAM (1784-1874)
• BLACK, JEREMIAH SULLIVAN (1810–1883)
• BLACK, WILLIAM (1841-1898)

black See also:

• HORIZONTAL

horizontal See also:

• LINE

line . When coincidence of the images is effected by means of the working See also:

• HEAD (in 0. Eng. heafad; the word is common to Teutonic languages; cf. Dutch hoofd, Ger. Haupt, generally taken to be in origin connected with Lat. caput, Gr. KerbOvi7)
• HEAD, SIR EDMUND WALKER, BART
• HEAD, SIR FRANCIS BOND, BART

head, the range can be 2 The length of See also:

• TUBE (Lat. tuba)

tube varies from 3 ft. in the smaller to 9 ft. in the larger See also:

• INSTRUMENTS

instruments . i read off against a pointer from the scale seen with the left eye . For 1 or on different parts of the same objective, and thus inaccuracy in the See also:

• NIGHT

night use, means are provided for See also:

• ILLUMINATING

illuminating the scale . The range recorded-range must result . The instruments are expected to give an to See also:

• LIGHTS, CEREMONIAL USE OF

lights may be ascertained by the use of the astigmatizer, an See also:

• OPTICAL

optical accuracy of less than See also:

• DEVICE

device by which a point of light is See also:

• DRAWN

drawn out into a See also:

• VERTICAL (from Lat. vertex, highest point)

vertical streak . 2 % at 2000 yds .

For A*,ogjectioe A See also:

• BEAM
• BEAM (from the O. Eng. beam, cf. Ger. Baum, a tree, to which sense may be referred the use of " beam " as meaning the rood or crucifix, and the survival in certain names of trees, as horn-beam)

beam of light from the objective falls on each reflector (fig . 2), ranges over that distance, i.e. for usual See also:

• DOW, LORENZO (1777-1834)
• DOW, NEAL (1804-1897)

DOW uFPORT /IMDER See also:

• OBJECT

OBJECT See also:

• GLASS
• GLASS (O.E. glees, cf. Ger. Glas, perhaps derived from an old Teutonic root gla-, a variant of glo-, having the general sense of shining, cf. " glare," " glow ")
• GLASS, STAINED

GLASS SUIMORT WINDOW RE n See also:

• ARTILLERY (the O. Fr. artiller, to equip with engines of war, probably comes from Late Lat. articulum, dim. of ars, art, cf. " engine " from ingenium, or of artus, joint)

artillery ranges, it is IRATE WIN ) See also:

• FRAME

FRAME EYE PIECE PRIS5S-W SCALE See also:

• ASS (O.E. assa; Lat. asinus)
• ASS, FEAST OF THE

ass desirable to use a ccro OBJECT GLASS See also:

• CASE
• CASE, JOHN (d. 1600)

CASE >rZn 'redouble See also:

• BASE

base (1oo yds .