Yesterday's Answer: Steam Powered Warship
W. B. Purvis in 1890 he received a patent for this tool. He "stated that the object of his invention was to provide a simple, durable and inexpensive construction of this tool to make it easy to carry in his pocket.
Dasia (she is editor of a magazine) and Tariq used this tool when they are trying to information from people they are interviewing. What is the tool?