318949.1337 pure cyclegraph. Hard to figure out, but I think it might be Jane Bunker's dentistry motions. This is based on the fact that related captions are for both bricklaying and dentistry, and these do not look like bricklaying.
odd: label: General note
content: Category: surgical & dental study
label: General note
content: Gilbreth image: GL 66
label: General note
content: Related captions: GL-60 "Record of skilled orthodontist showing admirable decision."

GL-68 "Studying orthodonture work of Dr. Jane G. Bunker."
name: label: Collection Creator
content: Perkins, James Secor
label: Collection Creator
content: Gilbreth, Frank Bunker, 1868-1924
label: Collection Creator
content: Gilbreth, Lillian Moller, 1878-1972
setName: label: See more items in
content: Frank and Lillian Gilbreth Collection
label: See more items in
content: Frank and Lillian Gilbreth Collection / Series 2: Glass Stereo Slides (Positive) / 318949.1239 to 318949.1423
unitdate: label: Date
content: 1916?
container: label: Container
content: Box 9
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Negatives