Bodkins and pipettes

“Let us have some fresh blood,” he said, digging a long bodkin into his finger, and drawing off the resulting drop of blood in a chemical pipette." (Sherlock Holmes)

Bodkin A small, sharply pointed instrument for making holes in fabric or leather.
(Or in this case Holmes' finger)

Pipette A slender tube attached to or incorporating a bulb, for transferring or measuring out small quantities of liquid, esp. in a laboratory.