In "The Standard Catalog of American Cars 1946-1975" on page 809, There are two entries and three photos for the Brogan. The first entry is 1946-1948, and shows two models, the Brogan Runabout 2 passenger, with an Onan 2 cylinder 10 bHP engine with 60" wheelbase, weighing in at 450 lbs, and costing $600.00 with a total production of 30. The second photo is of a 1948 Brogan Package Car, one cylinder, but no further data. It does state though that the two-passenger cars were sometimes called "B & B".
The second entry 1949-1950 Brogan states that Brogan made the Broganette which was 4 passenger, but no data other than the 2 cylinder Onan a/c engine again of 10 bHP, and wheelbase of 120". Made by B & B Specialty Co., Rossmoyne, Ohio. Under the photo it states that it is one-cylinder??? and they call it a roadster. The photo is a roadster. So maybe two models of the Broganette, a two cylinder 4 seater, and a one cylinder roadster. Fascinating.
Maybe four models of the Brogan.
Now I have another or two or four "must find" vehicles. Ian.