(a) a tube through which observations are made; (b) a transparent tube connected to a tank or cistern so as to display the level of the liquid…
| 单词 | θ64832 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] (59) sight tube1851 (a) a tube through which observations are made; (b) a transparent tube connected to a tank or cistern so as to display the level of the liquid… shufti-scope1948 a probe (see quots.). Subcategories:— receptacle for objects (1) — light or radiation (10) — stereoscope (11) — comparator (4) — for viewing photographs (4) — thaumatrope (4) — stauroscope (2) — stroboscope or oscilloscope (5) — for observing other phenomena (6) — scanning devices (6) — for surveillance (1) — eyephones (1) — parts of (1) — observation with (1) |
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