[2433]. Middleton, Remains of Ancient Rome, i. pp. 254, 301; id. in Archaeologia, xlix. p. 426.
[2434]. See Dressel in C.I.L. xv. p. 9.
[2435]. Mau-Kelsey, p. 38: but see Nissen, Pompeian. Studien, p. 59.
[2436]. See Blümner, Technologie, iii. p. 146, where a good illustration is given.
[2437]. Archaeologia, li. pl. 2, fig. 4; Middleton, op. cit. i. p. 55, fig. 6.
[2438]. v. 10, 2.
[2439]. See also on this subject Anderson and Spiers, Architecture of Greece and Rome, p. 137 ff.; Middleton, op. cit. i. p. 66, ii. p. 120, fig. 64.
[2440]. See Middleton, op. cit. i. p. 62; Archaeologia, li. pl. 2, fig. 5.
[2441]. Middleton, op. cit. i. pp. 12, 62.
[2442]. Etym. xv. 8, 15; xix. 10, 15.