We have no meanings for "observing on" in our records yet.
1 I floated somehow apart, observing on high, the performance of myself.
2 One of the trawlers Peter Lanland's spent three months observing on .
3 The Australian Maritime Safety Authority said 34 SES volunteers from WA will be observing on board.
4 While observing on site, astrophysicists will intermittently breathe from oxygen tanks to retain their intellectual acuity.
5 Before they resumed their journey he could not refrain from observing on the beauty of their resting-place.
6 The parallel is already too much drawn out, otherwise it would be worth observing on the characters and lives of these two men.
7 Uncas silently extended toward him the desired gourd, which the spleen of Hawkeye had hitherto prevented him from observing on a branch of an elm.
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