H 2730 :: ansatsdel till diafanoskop

Object description

Ask med lock. Innehåller ansatsdelar till diafanoskop.Text på locket: Four Genuine N80AE Boilable, Glass Antra Sheaths for National N 80, Made in U.S.A., National Electric Instrument Division, Engelhard Hanovia. Inc., 92-12 Corona Avenue Elmhurts 73 L.I., N.Y.