In 1931 while the last Palestinian census was carried out by the British Mandate, Mr. Mahrous was continuing to buy land in his quest to industrialize Beersheba. On November 9th, 1931, Mohammad Bin Shaker Hirzallah and Mr. Mahrous entered into a land sale agreement in which Hirzallah sold two thousand eight hundred and thirty-three legal Dunams to Mr. Mahrous for the sum of one hundred and sixty-two Palestinian pounds and five hundred mills. This agreement was witnessed by Salem Ali Hirzallah evidenced by the sign and seal and was also signed by Mr. Mahrous and Hirzallah.