Vintage magic lantern glass slide advertisement for Sumas Meat Co. in Los Angeles, featuring an early 20th-century promotional design titled "The Housewife's Test."
- Item Type: Glass lantern slide used for theater or lecture advertising.
- Advertiser: Sumas Meat Co., Wholesale & Retail, located at the San Fernando Building in Los Angeles.
- Visual Elements: Depicts a stylized graphic, the slogan "The Housewife's Test," and a black-and-white photograph of a woman inspecting a fresh fish.