
pitter calland

pitter calland (ziericzi, 23 julaai 1826-wagoningen, 12 julaai 1902) rejexwaterstat kii seva mein ack dutch sivil engineer they. unhone neway waterweig key liye yojana taiyar kii aur ise 1864 seey 1872 taka lagu kiya.
yeh doordarshi pariyojana samasyaon aur baadhaon key binaa naheen thee. nahar key ack hisse koo chaude teelon key madhyam seey khodna padaa aur channel counter key baithane key liye vishesh praavdhaan kiye gaye, jisase yeh samay seey adhik aur adhik bajat mein chalaa gayaa aur isaki aalochana kii gaee. haalaanki, naee nahar ney rotterdam mein vyaapaar mein uchhaal laaya aur iss prakaar isaki laagat koo poori tarah seey uchit thaharaaya.