Brihat Samhita
अम्बरमध्याद्बह्व्यो निपतन्त्यो राजराष्ट्रनाशाय । बम्भ्रमती गगनौपरि विभ्रमं आख्याति लोकस्य ॥ ३३-११ ॥
If it should be of the shape of a flagstaff, of fish, an elephant, a hill, a lotus, the moon, a horse, melting silver, a swan, the Bilva tree, the Vajrāyuddha (a weapon), or conch or a triangle, there will be prosperity in the land.
english translation
ambaramadhyAdbahvyo nipatantyo rAjarASTranAzAya । bambhramatI gaganaupari vibhramaM AkhyAti lokasya ॥ 33-11 ॥
hk transliteration by Sanscript