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On the sign:
סמל המועצה לשימור אתרי מורשת בישראל סמל העיר גבעתיים
"סליק" ועדי מחסן נשק סודי נבנה בשנת 1937 בחצר משפחת ועדי תוך ניצול הואדי העובר כאן. ה"סליק" נחפר מתחת ללול עופות.
The sign shape is rectangular but its head is designed according to the silhouette of the old building of the Gymnasia Herzliya, which serves as a logo of the Council for the Preservation of Heritage Sites in Israel
Translation of the text on the sign: Symbol of the Council for the Preservation of Israeli Heritage Sites The emblem of the city of Givatayim
"Slick" Vaadi A secret weapons depot was built in 1937 in the yard of the Vaadi family, utilizing the wadi that passes through here. The "slick" was dug under a poultry coop.