Bamidbar 21:9 Orthodox Jewish Bible (OJB)

And Moshe made a nachash of nechoshet, put it upon a pole, and it came to pass, that if a nachash had bitten any man, when he beheld the nachash hanechoshet, then he lived [see Yn 3:14-15].

Bamidbar 21

Bamidbar 21:4-11