Originally Posted by chiefrider
Tom in Salem
What caught my eye was the advertisement for the siren company. Looks like B&M made civil defense and police sirens that started in 1913 and they are still in business today. http://www.siro-driftsirens.com/news.html
Wow, 100 years.
Also, Mack Sennett did a lot of work with a model named Mabel Normand, who I think is the model in the photo. Mack did postcards with bathing beauties so this could be a bathing suit of the era.