τὴν συμμέτρησιν… τῶν κλιμάκων οὕτως ἔλαβον
From LSJ
Ὦ ξεῖν’, ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδε κείμεθα τοῖς κείνων ῥήμασι πειθόμενοι. → Go tell the Spartans, stranger passing by, that here, obedient to their laws, we lie.
Ὦ ξεῖν’, ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδε κείμεθα τοῖς κείνων ῥήμασι πειθόμενοι. → Go tell the Spartans, stranger passing by, that here, obedient to their laws, we lie.
thus they got the measurement for their ladders