DCM 0010: Major elements of this instrument were constructed by Dayton C. Miller Flute in C

This instrument is Miller's design for his personal studio use, tuned to a=435, according to DCM, although it comfortably plays at A=440 or higher. Miller constructed major portions of the keywork, and assembled the entire instrument. DCM ledger: "Began design Jan. 1902, finished June 23, 1905. Repadded by RC&C and finally 'Finished' Sep 21, 1905."
Instrument type: Flute in C
Medium: 22 karat gold tube, 18 karat gold keys and ribs.; 75.15 cm.
Key Holes System: Boehm system, with Rockstro (F#, C-flat) and DCM features (such as DCM ledger: "original scale," large C# vent hole), open G#, post and rod.
Mark Maximum: Made by / D. C. Miller / Cleveland / 1904 (engraved on elliptical gold plate soldered on gold body tube, cursive)
Case: Period case lined with red plush fabric. Case hinge (fabric) torn full length.

The Dayton C. Miller collection in the Library of Congress, contains nearly 1,700 flutes and other wind instruments, statuary, iconography, books, music, trade catalogs, tutors, patents, and other materials mostly related to the flute. It includes both Western and non-Western examples of flutes from around the world, with at least 460 European and American instrument makers represented. Items in the collection date from the 16th to the 20th century.