ATM DIAL T.4219
Dial No. 24C. Interchangeable with T4213. Design ensures long life and economical maintenance. Double impulse delay
feature. Brass base with two positioning and one tapped lug for
mounting. Black finish, but stainless-steel fingerplate can be supplied if
required. Impulsing contacts, platinum shunt contacts gold-silver.
Two-make shunt spring combination (a); other spring combinations can be supplied
if required. Can be supplied both numbered and lettered for use in
Director areas or otherwise as required.
Taken from the 1951 ATM Catalogue
Last revised: October 06, 2012