56 Farmer (2004) § Edmund Gransden (2004) Cavill (2003) p. fifty six Farmer (1985) p. forty Gransden (1985) p. 63 Gransden (1995) p. 63 Whitelock (1996) p. forty Whitelock (1969) pp. twenty five Whitelock (1969) pp. 223 Whitelock (1969) pp. Whitelock (1969) p. 220 n. 89 Blunt (1969) p. After the attempts of the Calderdale Industrial Museum Association the Museum opened for organised visits on ninth June 2012.