He invented and secured patents on certain oil drilling tools in the late 1880s that were the initial source of his wealth.
Amir Taheri is identified as the initial source for the "story of the alleged badge law".
Sullivan explained that he did not feel embarrassed about the initial source of his early fortunes.
Check-In : where initial source is loaded to the track.
This is crucial because encyclopedias are initial sources of information but they're never definitive, even at 26 million words.
The dam provided the city with its initial source of electricity.
His initial source of raw material was horse heart, but the crystals thus obtained were too small for X-ray analysis.
Capital accumulation has caught up with the population and there is no longer scope for development from the initial source, i.e. unlimited supplies of labor.
It is, moreover, an initial source of financing for new programmes and a final one for old commitments.
The initial sources of data are limited to the artist page but this will hopefully be extended over time.