Publications for 07/1923
RIDDLE: Production of porc. for elect. insulator-IV
Stilliminite used for making spark plugs and other insulators
Kelly & Reasner are displaying new samples for D. C. Jenkins
D. C. Jenkins represented at 47th Annual Convention
Glass Manufacturers hold 47th convention; D. C. Jenkins listed
Funeral for John Longfellow of Hemingray will be held Monday