Page 24 - An Inky Lead Questioned Documents

Compile the Data
1. On the board in the front of the class write the
receipt number, receipt value, and signatory.
2. Next, look at the Ink Index on the board. If a
receipt contained an ink that is not yet listed,
write the colors and retention factors (to one
decimal) and assign it the next letter.
24 THE MYSTERY OF LYLE AND LOUISE
3. In the row for receipts, write a code that
shows where different inks were used on the
receipt by writing the code in the Ink Index
for each ink in the order ran on the plate. For
example, if a plate had all of ink ‘Z’ except for
the forth spot, which was ‘Y’, the code would
be Z Z Z Y Z.