placed in
Transactions of the Edinburgh Photographic Society
Optician and Photographic
Dealer
J C Mckechnie placed his larger, half-page advert
(Advert 1, below) in the
'Transactions of the Edinburgh Photographic Society', regularly from
1913 to 1916.
From 1917 to 1919 he used the smaller quarter-page
advert (Advert 2, below).