Hamlin: a trout fly from Favorite Flies and Their Histories (1892) by Mary Orvis Marbury

Originally published in Camping in the Alleghanies : or, Bodines. A complete, practical treatise and guide to "camping out.” by Thaddeus Up de Graff, M.D. in 1883.

Hook: #8 blind sproat
Thread: claret silk (or red if the head is lacquered)
Tag: gold tinsel
Tail: white tipped Mallard secondary flight feathers
Body: brown quill
Hackle: black (rooster saddle)
Wings: white quill

Head cement recipe:
Goop
Xylene (epoxy thinnner)

Instructions:
Fill a quart jar half full with Xylene
Squeeze a tube of Goop into the Xylene
Shake until the Goop is dissolved; add Xylene to desired consistency

Apply with a pin or needle dipped in the liquid

https://youtu.be/AJbvJUixaCs