Summary: the workers inside this building lost their cool air and had to call in backup or melt It was a trailer with some portable air conditioning equipment piping cool air into the building http www oklahomahistory net ttphotos8a PortableAir060308a jpg http www oklahomahistory net ttphotos8a PortableAir060308b jpg From the 1923 Journal of Carter County Schools by Kate
Image Dimensions: 800 x 600
Image originally found here.