Martin, the factory overseer at the time, explained what had been accomplished by 1927.
مارتن ،‏ نَاظِرُ ٱلْمَصْنَعِ آنَذَاكَ ،‏ رِسَالَةً أَوْضَحَ فِيهَا مَا تَمَّ إِنْجَازُهُ بِحُلُولِ سَنَةِ ١٩٢٧ .‏