1 [Polio Vaccine]

A Vast Archive Relating to the Development of the Polio Vaccine, With Glass Vial🔴 From Original Vaccine Run

2 Compton, Arthur Holly

The 1927 Nobel Prize in Physics Awarded to Arthur Holly Co🐭mpton, for His Demonstration of✨ the Particle Nature of Electromagnetic Radiation

3 [WWII German Kriegsmarine]

Origi❀nal, Combat-used WWII Kriegsmarine Signalbuch, Berlin, 1940

4 Enigma I

A Fully Operational Enigma I in Original Condi🧔tion, in Rare Green Panzerholz Case

5 Trinitite

A Trinitite Specimen ꦛCreated by the Trinity Nuclear Test in Ala🦄magordo, New Mexico on July 16, 1945

6 Feynman, Richard P.

Autograph Manuscript Signed Twice ("Richard Feynman"), Consisting of Poems, Drawings, and a Pu♎zzle From a Young Richard Feynman

7 Feynman, Richard P.

Three Handwritten Poems by a Young Richard ꩲFeynman

8 [Feynman, Richard P.]

Collection of Richard Feynman's Academic Diploma & Records, Photo of Childhood Chemistry Lab, and Related Materials

9 [Feynman, Richard P.]

Doc💖🍸uments Regarding the William Lowell Putnam Mathematical Competition, Pi Mu Epsilon Contest Certificate, etc.

10 Feynman, Melville

Autograph Letter Signed (“Dad”), to Lucille, Richard, and Joan Feynman, Written Faci𒉰ng Possibility of Death, 1938

11 Feynman, Richard P.

Autograph Letꦓter Signed ("R.P. Feynman."), to His Mother Lucille Feynman, Announcing His First Solo Publication, 1939

12 [Feynman, Richard P.]

Collection oꦡf A🌟cademic Offer Letters Made to Feynman, From Princeton, Berkeley, and MIT

13 Feynman, Richard P.

Two Aut♍ograph Letters Signed (“R.🥂P. Feynman”), to Lucille Feynman, Discussing Assisting His Advisor, John A. Wheeler

14 [Feynman, Richard P.]

Autograph Letter to Lucille Fey🌠nman, Describing His Work Schedule at Princeton

15 Feynman, Richard P.

Autograph Letter Signed (“RPF”) to Lucille Feynman, Regarding a Performance of Shakespeare's Othello

16 Feynman, Richard P.

Autograph Letter Signed (“R.P𒀰. Feynman”), to Lucille Feynman ("M✨om"), Sending His Father a Long Division Puzzle

17 Feynman, Richard P.

Autograph Letter Signed (“RPF”), to Lucille Feynman, Recounting 😼a Day in His Life at⛄ Princeton

18 Feynman, Richard P. and [Feynman, Lucille]

Correspondence between Richard Feynman and His Mother, Lucille Feynman, Regarding Marrying♐ Arline Despite Her Illness, [1942]

19 Feynman, Richard P.

Autograph letter signed ("R.P.F.") to His𝓡 Father Melvill♔e Feynman, Discussing Marrying Arline, [1942]

20 Feynman, Richard P.

Autograph Lettജer Signed (“RPF”), to Lucille Feynman, Recounting a Hiking Trip with His Los Alamos Colleagu꧋es

21 Feynman, Richard P.

Autograph Letter Signed ("R.P.ღF."), to Lucille Feynman, Discussing Pine Needle Tea as Scurvy Treatment

22 Feynman, Richard P.

Autog🌺raph Letter Signed (“Rich”), to Lucille Feynman, Telling His Mother Not to Give Out His Address at Los Alamos, [1943]

23 Feynman, Richard P.

Autograph Letter Signed (“R.P.F.”), to Lucille Fe💎ynman, Concerning the Inad🦩equacies of Physicists as Lovers

24 Feynman, Richard P.

Autograph Letter Signed (“RPF”), to Lucille Feynman, Discussing His Talk at the Los Alamos Ma💃th Club

25 Feynman, Richard P.

Auto🐼graph Letter Signed (“RPF”), to Lucille Feynman, Describing Los Alamos and Its Surroundings

26 Feynman, Richard P.

Autograph Letter Signed ("R. P. Feynman.") to Lucille Feynman, Giving An Eye꧂witness Account of the Tඣrinity Nuclear Test

27 Feynman, Richard P.

Autograph Letter Signed ("RP Feynman&qu﷽ot;), to Lucille Feynman, Discussing the Reaction to the Hiroshima Bombing at ﷽Los Alamos

28 Feynman, Richard P.

Autograph Letter Signed (“His Son Rich𒉰ard”), to Melville Feynman, Telling His Father How He Fostered His Love of Science

29 Feynman, Richard P.

Autogra🙈ph Letter Signed ("R.P. Feynman" to top right), to the Draft Board, Telling Them Why He Should Not Be Drafted, [1946]

30 Feynman, Richard P.

Autograph Letter Signed (“Dick.”), 💫Reassuring His Father of His Love for the Fam๊ily

31 Feynman, Richard P.

Autograph Letter Signed (“RPF”), to His Sister Joan Feynman, Advising Her to Challenge Herself Acade🌊mically

32 Feynman, Richard P.

🍬A Remarkable Portrait by Richard Feynman of His 🌼Hero, Physicist Paul Dirac

33 [Feynman, Richard]

A Gold-bearing Rock From the Deepest Neutrino Lab in the World, Gifted to Richard Feynman by Frederick Reines — From One Nobel Laurea🦩te to Another

34 Feynman, Richard P.

“Surely You’re Joking, Mr. Feynman!” First Edition, First Printing, Signed🔯 and Inscribed by Feynman to His Cousin, White House Correspondent Frances Lewine

35 Feynman, Richard P.

QED: The Strang🧸e Theory of Light and Matter. First Edition, First Printing, Signed and Inscrꦚibed by Feynman to His Sister Joan

36 [Feynman, Richard]; Slater, John C. and🐼 Nath🍃aniel H. Frank

Feynman's Undergraduate Copy of Slater & Frank's "Introduction to Theoretical Physics," Signed and With Notations by Him

37 [Feynman, Richard P.]; Pauling, Linus, and E. Bri⛎ght Wilson, Jr.

Richard Feynman's Copy of Pauling & Wilson's "Introduction to Quantum Mechanics," Signed by Him

38 🐬[Feynman, Richard]; Ruark, Arthur Edward and Har♉old Clayton Urey

Feynman's Undergraduate Copy of Ruark & Urey's "Atoms, Molecules, and Quanta"

39 [Feynman, Richard P.]; Slater, J.C.

Feynman's Copy of Slater's "Introduction to Chemical Physics", Signed by Feynman

40 Feynman, Richard P.

Dr. Joan Feynman's Copy of Her Brother, Richard Feynman's Doctoral Dissertation

41 Feynman, Richard

"The Character of Physical Law" (inꦆ Russian), Signed and Inscribed by Theoretical Physicist ♐Kip Thorne to Richard Feynman

42 Roth Adder, ca. 1840-44

43 [Arithmometer]

A👍 Thomas de Colmar Arithmometer (Arithmomètre)♊, Model T1865A, ca. 1880

44 Staubli Freres & Cie

An Earl♏y 20th Century Jacquard Loom Punch Card Machin𓂃e

45 Jobs, Steven

Letter from Jobs to Dave [Kominiak] Being a Sales Pitch foওr the Original Apple-1 Computers, 5 October 1976

46 Apple Computer, Inc.

Apple IIc Prototype With Caꦿrrying Case and Power Adapter

47 Apple Computer, Inc

Apple Macintosh Prototype Logic Board

48 Large Original Neon Apple Sign