Oil's well, says model Young woman in striped dess applying oil from oil can to machinery. Caption on verso: "OIL'S WELL, SAYS MODEL: She's Mara Zurbin of 71 Brooklyn Ave. and she says it as she puts that final touch on giant new $100,000 cooling plant installed in Loew's Premier Theater, Sutter Ave. and Hinsdale St., in preparation for those hot days a-coming."