RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Highly desirable AMQS on a pink 6.25 x 3.75 album page, boldly signed in black ink, "Gustav Holst, 1933." Holst pens one bar from the bass...

Ink signature, "Aram Khatchaturian,” who adds a brief musical quotation on a gray 5 x 3.25 card. In very fine condition.

Superb matte-finish 3.5 x 5.25 photo of Korngold in formal attire, signed in the lower border in fountain pen, "Erich Wolfgang Korngold, May 19...

Crystal-clear 4.5 x 6.75 cabinet portrait of Kubelik holding his violin in a three-quarter-length pose, signed below in black ink, "Jan Kubelik...

Exceptional vintage pearl-finish 7.25 x 9.25 portrait of Rachmaninoff by the Kubey–Rembrandt Studios of Philadelphia, signed and inscribed in white in

Sought-after handsome matte-finish 3.25 x 5.5 postcard photo of Mahler as a young man, signed and inscribed circa 1900 in German in black ink, "...

Brilliant 2.25 x 3.5 seated portrait of Rossini affixed to its original 4.25 x 6.25 souvenir card, with French text commemorating the 500th performanc

Crisp ink signature, "S. Rachmaninoff,” on an off-white 3.5 x 2.5 card. In fine condition, with a faint block of toning over much of the signat...

Two-hand piano reduction of William Tell in French, published in Paris by Leon Grus, hardcover, 7.75 x 11, 399 pages. Signed and inscribed on the firs

Vintage matte-finish 8 x 10 photo of Berlin playing the piano, signed over the sheet music in fountain pen. In fine condition, with a crease to the up