Alto trombacello, E-flat
Maker
Graves & Co.
Date1837-1848
Place MadeWinchester, New Hampshire, United States, North America
Serial No.10
SignedEngraved in script on valve casing, vertically aligned and framed in box with floral patterns: Graves & Co. / Winchester N. H. / No. 10Descriptionmaterial and decoration: brass, no decoration.tube arrangement: curved leadpipe with inverted conical beginning, continues slightly conical with increasing bore diameter; valve segment; slightly conical first bow (=main tuning slide); conical first branch, conical second bow; conical second branch; conical third bow; conical/hyperbolical bellpipe. Bell to the left of the leadpipe. Windway: first, second, third valve.
shanks, crooks: original shank at leadpipe; tubing without socket at the end.
tuning slides: slightly conical main tuning slide at the first bow.
bell seam: tab seam, tabs 4 mm wide and 4 mm apart, extends over entire bellpipe.
garland: brass garland with straight upper edge, no decoration.
bell rim: Saxon rim with iron wire insert.
ferrules: short convex ferrules between the tube segments.
braces: decoratively turned brass braces on round mounts between first and third valve and second valve branch; flat braces on round mounts between bell and leadpipe and outer slide I for main tuning slide.
finger support: pull rings on all three valve slides on diamond-shaped mounts.
lyre holder: none
water key: none
valves: three double-piston valves of the Old Mainz style, lowering the pitch by a whole tone (first valve), a semitone (second valve), and minor third (third valve).
Long single levers pivoted in square brass capsules, operated by the left hand. Connection between levers and pistons by straight brass rods screwed to the underside of the levers and one of the end caps; flat-spring return with rollers. Piston ends are exposed when valves are actuated, cylindrical end caps pinned together to form piston pair. Valve segment covered and protected by a brass sheet. Valve slides with female moving slides.
First valve bent 90 degrees towards the bell, second valve straight, third valve bent 90 degrees towards the bell bow.ProvenanceNo known provenance.
Credit LineClois E. Smith Estate Fund, 2013
Object number14705
On View
Not on view
