R A LESLIE, photograher was advertising his new studio in Narracoorte in March 1891. Narracoorte is not really near Ballarat, and Horsham is somewhat in the middle of the two. (Though some of his photos which won awards were of different areas around Victoria.)
He travelled for work extensively, going to Coraki (northern NSW) in 1893, and is described as "of Silverton" (western NSW) in 1893. After 1895 he was in Seymour and Broadford, Yea, and other locations around Victoria.
Intriguing item here in 1901 in the Alexandra Shire Council minutes:
" R. A. Leslie, photographer, asking for particulars regarding photographs suggested for railway carriages."
http://nla.gov.au/nla.news-article57646307Modified to add:
If you search trove for "R A Leslie" and limit to "Illustration type - photo" (on the RHS of the screen), there are a number of his photographs, including some of trains.
https://trove.nla.gov.au