TELLTALE n.
r recording something, particularly for keeping a check upon employees, as factory hands, watchmen, drivers, check takers, and the like, by revealing to their employers what they have done or omitted.
TICKER n.
One who, or that which, ticks, or produces a ticking sound, as a watch or clock, a telegraphic sounder, etc. Ticker tape Tape from or designed to be used in a stock ticker, usu. of paper and being narrow but long. -- Stock ticker, an electro-mechanical information receiving device connected by telegraphic wire to a st…