A book on duality and analogy from the Modern Electronics Selection series by Hidetoshi Takahashi. - Title: Duality and Analogy - Author: Hidetoshi Takahashi - Series: Modern Electronics Selection 2 - Price: 150 yen Thank you for viewing. #HidetoshiTakahashi #Takahashi_Hidetoshi #book #Electrical/Mechanical Engineering/Electronics #EmeritusProfessorUTokyo There are no writings or markings, but as this is a very old book from over 60 years ago, there is overall aging. Please take a look at the photos and purchase only if you understand and accept the condition. Packing materials will be reused from items I have at home. I am not currently considering price reductions. Thank you for your understanding.