Here is a picture of an excavator making its own path into a quarry . It is stated that the quarry is Baylis's, and so must be Frsnk & William Bayliss, Speedwell road. Hay Mills. The 1918 map below shows the houses in the centre of the picture in blue. The original picture and notes are from meccano magazine 1936 at https://meccano.magazines.free.fr/img/1936/3602/36020080.jpg.
