愛知用水通水 1961年（昭和36年）7月7日発行 1961年7月、郵政省は愛知用水通水を記念して切手を発行した。「愛知用水」は、愛知県尾張から知多半島に農業・工業・水道用の水を供給する用水であり、｢岐阜県八百津(やおつ）町｣から知多半島南端の｢愛知県南知多町｣迄の112㎞の｢幹線水路｣と幹線水路から分岐した｢支線水路｣からなる。 切手は、水道蛇口、外資、麦、歯車」がデザインされている。
Opening of Aichi Irrigation Issued on July 7, 1961 (Showa 36) In July 1961, the Ministry of Posts and Telecommunications issued a stamp to commemorate the water flow of Aichi. "Aichi Irrigation Water" is an irrigation canal that supplies water for agriculture, industry, and tap water from Owari in Aichi Prefecture to the Chita Peninsula in the same prefecture. It consists of a 112km "main canal" to "Minamichita Town, Aichi Prefecture" and a "branch canal" that branches off from the main canal. This irrigation canal has greatly enriched the economy and people's lives, especially in the Nagoya area.The stamps are designed with water faucets, insulators, wheat and gears.