“Judging by the weight of your pen once the conversation is engaged, we should be able to tell how far away the other pen is.” Spanreeds had a certain decay to them. The farther apart they were, the heavier the pens became after activation. In most cases, this was a slight—almost imperceptible—difference. Today, the spanreed board, with pen attached, had been placed on Falilar’s most precise scale. The pen was hooked by strings to other instruments as well.
