polemoscopen.

Brit.

/pəʊˈlɛməskəʊp/,

/ˈpɒlᵻməskəʊp/, U.S.

/poʊˈlɛməˌskoʊp/,

/ˈpɑləməˌskoʊp/

Forms: 1600s– polemoscope, 1700s polimoscope.

Origin: A borrowing from Latin. Etymon: Latin polemoscopium.

Etymology: < post-classical Latin polemoscopium ( J. Hevelius Selenographia (1647) Prolegomena 24) < ancient Greek πολεμο- (see polemology n.) + post-classical Latin -scopium -scope comb. form. Compare French polémoscope (1690 or earlier).Apparently so named by Hevelius because of its proposed use in war.

Now historical.

An optical instrument fitted with a mirror or pair of mirrors set at an angle to the line of sight, for use in viewing objects not directly before the eye. Cf. periscope n.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > other telescopes

polemoscope1668

finder1738

night-glass1758

collimator1825

floating collimator1833

lookdown1865

guiding telescope1897

autocollimator1903

kinetheodolite1941

finderscope1946

satellite telescope1951

scotoscope1964

starlight scope1964

1668 J. Beale Let. c11 July in H. Oldenburg Corr. (1967) IV. 534 Some yeares ago I was frameing one of Hevelius's Polemoscopes.

1728 E. Chambers Cycl. (at cited word) Any Telescope will be a Polemoscope, if the Tube be but crooked... And between the Object Glass..and first Eye-Glass..be placed a plain Mirror.

1799 tr. Laboratory (ed. 6) II. viii. 170 How one may see the Appearance of Persons or Things in an empty Room. You conceal near the door a Polemoscope..or a tube with two looking-glasses.

1915 Nature 18 Mar. 68/1 Some of these trench periscopes recall the polemoscope, described by Helvelius [sic] in the seventeenth century for military purposes.

1996 Independent (Nexis) 16 Nov. (Shopping section) 26 As for the polemoscope, otherwise known as ‘the Private Eye’, this is an 18th-century opera glass which gives a right-angled view; while the owner looked as if he or she were intent on the stage, they could spy on the theatre box next door.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polemoscope
释义	polemoscopen. Brit. /pəʊˈlɛməskəʊp/, /ˈpɒlᵻməskəʊp/, U.S. /poʊˈlɛməˌskoʊp/, /ˈpɑləməˌskoʊp/ Forms: 1600s– polemoscope, 1700s polimoscope. Origin: A borrowing from Latin. Etymon: Latin polemoscopium. Etymology: < post-classical Latin polemoscopium ( J. Hevelius Selenographia (1647) Prolegomena 24) < ancient Greek πολεμο- (see polemology n.) + post-classical Latin -scopium -scope comb. form. Compare French polémoscope (1690 or earlier).Apparently so named by Hevelius because of its proposed use in war. Now historical. An optical instrument fitted with a mirror or pair of mirrors set at an angle to the line of sight, for use in viewing objects not directly before the eye. Cf. periscope n. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > other telescopes polemoscope1668 finder1738 night-glass1758 collimator1825 floating collimator1833 lookdown1865 guiding telescope1897 autocollimator1903 kinetheodolite1941 finderscope1946 satellite telescope1951 scotoscope1964 starlight scope1964 1668 J. Beale Let. c11 July in H. Oldenburg Corr. (1967) IV. 534 Some yeares ago I was frameing one of Hevelius's Polemoscopes. 1728 E. Chambers Cycl. (at cited word) Any Telescope will be a Polemoscope, if the Tube be but crooked... And between the Object Glass..and first Eye-Glass..be placed a plain Mirror. 1799 tr. Laboratory (ed. 6) II. viii. 170 How one may see the Appearance of Persons or Things in an empty Room. You conceal near the door a Polemoscope..or a tube with two looking-glasses. 1915 Nature 18 Mar. 68/1 Some of these trench periscopes recall the polemoscope, described by Helvelius [sic] in the seventeenth century for military purposes. 1996 Independent (Nexis) 16 Nov. (Shopping section) 26 As for the polemoscope, otherwise known as ‘the Private Eye’, this is an 18th-century opera glass which gives a right-angled view; while the owner looked as if he or she were intent on the stage, they could spy on the theatre box next door. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1668
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