[28] Physikalisch-Chemische Tabellen, S. 42.

[29] Tucker’s Manual of Sugar Analysis, pp. 100 et seq.

[30] Vid. op. cit. supra, p. 108.

[31] Op. cit. supra, p. 109.

[32] Op. cit. supra, p. 110.

[33] Op. cit. supra, p. 114.

[34] Spencer’s Handbook for Sugar Manufacturers, p. 92.

[35] Landolt’s Handbook of the Polariscope, pp. 95 et seq.

[36] Robb, vid. op. cit. supra, p. 8.