[1] He spent some time in visiting the oasis of Siwa or Jupiter Ammon, and employed the remainder of the year in studying Arabic and in examining the ruins of Ancient Egypt.
[2] In the spring of 1793 he visited Sinai, and in May set out for Darfur, joining the great Darb El Arba'īn caravan which every year went by the desert route from Egypt to Sudan.
[4] According to W. B. K. Shaw, this voyage as passing through "over a thousand of the most barren miles in Africa.”[3] This was his most important journey, in which he acquired a great variety of original information.
He spent the winter in Smyrna, and in the spring of 1813 travelled through Asia Minor and Armenia, made a short stay at Erzurum, and arrived on the June 1 at Tabriz.
[5] His accounts were “unusual because he compared the customs of the people he visited favorably with those of Europe, a verdict that was not fashionable for this area and period.”[1] Robert Walpole published, from papers left by Browne, an account of Browne's journey in 1802 through Asia Minor to Antioch and Cyprus in the second volume of his Memoirs relating to European and Asiatic Turkey (1820); also Remarks written at Constantinople (1802).