Visible crew/equipment: While Dr. Mike is unsuccessfully trying to make supper Olive returns with the children, and after Olive says goodbye to them, when Dr. Mike closes the door a white T-mark is visible on the porch. (00:08:55)
Visible crew/equipment: When Dr. Mike tells Jake that he's not ready to go home, a black chalk T-mark is visible on the floor near the door. Then as Jake pounds on the door he tells her he has a business to run, and the moving boom pole casts a shadow on the wall, at the top, right side of the screen. (00:26:35)
The Great American Medicine Show - S1-E8
Visible crew/equipment: After Sully and Dr. Mike bring drunk Franklin into the clinic Sully leaves, and when Dr. Mike passes the partition as she walks toward Horace, the blue, yellow, and red T-marks are visible on the floor. (00:10:25)
Dr. Quinn, Medicine Woman - S1-E1
Visible crew/equipment: The morning after Dr. Mike and Sully spend the night with the Cheyenne, when Wolf finds a ripped piece of Brian's shirt Sully tells the wolf to find him, and three shots later just as the camera pans toward the right, in this wideshot a crew member (presumably the animal trainer) who is standing on the hill ducks behind the bushes, near the top center of the screen. (01:05:30)
Dr. Quinn, Medicine Woman - S1-E1
Visible crew/equipment: When Charlotte introduces her children to Dr. Mike, the Reverend makes a comment about only taking gentleman boarders, and in the next shot facing Charlotte the boom mic dips into view over her head. (00:09:35)
Visible crew/equipment: Shadow from the boom is visible above Sully when he's talking with Michaela about Jake's condition. (00:27:26)
Visible crew/equipment: After Cloud Dancing leaves to search for the root and Dr. Mike gets the medication for Sully's pain, when it cuts to Jake and Birch talking inside the barbershop, the reflection of filming equipment is visible on the windows. (00:16:50)
The Great American Medicine Show - S1-E8
Visible crew/equipment: While Myra is lying on the table before her surgery Dr. Mike tells her she's almost ready to begin, then just as Horace is about to stand up the orange T-mark is visible on the floor. (00:38:30)
The Healing - S1-E5
Visible crew/equipment: When Loren is at the clinic talking to Dr. Mike about the "little pain" that started from lifting the piano, the shadow of the moving boom mic is visible on the wall and door. (00:09:45)
Visible crew/equipment: When Kid Cole removes the noose from Jon's neck and helps him off the horse, in the next overhead shot there are multiple T-marks visible on the ground before the shot fades out. (00:37:50)
Answer: A Cooper was someone who made various things out of wood including wooden caskets and even barrels.