A giant wood moth made temporary shelter in Oropopo's studio the week they were studying Abbott’s interference work.

To explain wave phenomenon, Abbott adapted photogram techniques she had learned as Man Ray’s assistant in the 1920s. Combining a glass-bottomed ripple tank with an overhead flash, she projected shadows of oscillating waves onto unexposed photographic paper. The strong graphic black-and-white lines inWave Pattern with Glass Platelucidly reveal how energy pulses through water.

2” wide and 3” tall, silver ball post.

Made in Albuquerque, NM