DCM 1410: Rudall & Rose Flute in A (A-flat?)

Although possibly a flute in A (flute d'amore?), this instrument may have been intended to be a so-called B-flat flute (actually in A-flat, high pitch) for flute band usage.
Instrument type: Flute in A (A-flat?)
Medium: Cocus, silver keys and ferrules.; 75 cm.
Key Holes System: 4 keys, round flat flaps, pin in block.
Mark Maximum: RUDALL & ROSE / 7. TAVISTOCK STREET / COVENT GARDEN / LONDON / 458
Mark Additional: Mark on upper. Mark on head, lower: RUDALL & ROSE / LONDON. Mark on foot: RUDALL & ROSE / 7. TAVISTOCK STREET / LONDON
Condition: If the head joint cap is original, it is missing the cork-setting mechanism screw.
Provenance: Rudall, Carte & Co., London, 8 Apr. 1940.

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.