Although historians will tell you that the Roaring Twenties was all fast cars, cocktails and flappers, this picture from the Clyde coast would suggest otherwise. Not only were the weans and womenfolk wrapped head to toe in bathing costumes, they were still using the mobile bathing boxes to protect their modesty. It was 'taps oan' rather than 'taps aff'
Mind you, with Scotland's four seasons in a day weather, the wheeled huts would have been handy to hide in if rain, hail, sleet or snow arrived.
The cabins, invented in the Georgian era, were pulled up and down to the waterline by teams of donkeys.