Guess the Cover of American Laboratory—May 2013

Correctly identify this month’s cover image and be entered to win a $10 Amazon gift card (one entry per person; you must be 18 years of age to be eligible. See contest rules at

Hint: The image on this month’s cover shows Precision Instruments for Professional Use. One perfectly holds your tare vessel for weighing. The other aids in shorter stabilization and quicker cleaning. The combination simplifies your specific weighing task and helps set new records for weighing efficiency. Name at least one of the products shown and be entered to win a $10 Amazon gift card.


What do you think it is? Enter by leaving your answer in the comments section below. Stay tuned for the answer and for next month’s cover image!