Item — Nickel WeekliesPhys. Description: 33 p. : ill. ; 28 cmNotes: Each issue has also a distinctive title; Also known as Tip top library; Includes Letters from readers (p. 27-29), Questions and Answers edited by Prof. Fourmen (p. 30-31) and advertising at end of issue…
Item — Nickel WeekliesPhys. Description: 33 p. : ill. ; 28 cmNotes: Each issue has also a distinctive title; Also known as Tip top library; Includes letters from readers (p. 29-31) and advertising at end of issue (p. 32-33)