Levi Ben Gerson: On Instrumental Errors and the Transversal Scale

For 47, N: 46, N mg: 44.

For 16, P: 10.

For 3, N: 53, N mg: 3.

For 26, N: 9; N mg: 26,33.

For 56, N: 57.

For 59, N: 15.

N: 54;53,54.

N: 53;32,52.

N: 59;19.

For 28, N: 58.

N: 51;43,28.

For 33, N: 37.

N mg. adds: In VI, 13 [Heath (ed.), Euclid , Elements VI, 12].

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