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• Crystal Structure Problem Grades (Fall 1934) [LP Bio: Academia Box 1.010, Folder 8]

• Memorandum cheque notifying LP of $75 transfer among accounts [Filed under LP Biographical: Box #4.012, Folder #2]

• Letter from E. Bright Wilson Jr. to LP, RE: Tells LP that Chapter 10 is progressing and provides him with the outline he is using. Asks if there has been anything on the rotation of molecules in crystals since LP's paper and Sterne, the pupil of Fowler's, paper. Tells LP that he went to see the publishers and discusses the suggestions that Miss Gile made. Encloses a sheet which LP should look over to decide alternate conventions and a couple of pages of copy 3. Asks if there are more chapters that LP can send him and says that the publishers say December 1st is a good time to get the copy in. [Filed under LP Personal Safe: Drawer 3, Folder 3.005.59b]

• LP writes cheque to: Pashigan Bros., amount $25 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: F. N. Chamberlain amount $10 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: Polytechnic Elementary Schools amount $25 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Sanitary Laundry amount $7.41 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: William D. Crane amount $85 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: Adohr Milk Farms amount $7.80 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Athenaeum amount $7.89 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Bullock's amount $7.99 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: City of Pasadena amount $5.24 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Collector of Internal Revenue amount $31.67 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Connecticut Mutual Life Insurance Co., amount $14.43 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Gould and Attlesey amount $8 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Los Angeles Gas and Electric Co., amount $1.70 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Model Grocery Co., amount $54.52 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Southern California Telephone Co., amount $3.19 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Standard Oil Co. Of California amount $13.39 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: T. W. Mather Co., amount $50 [Filed under LP Biographical: Box #4.012, Folder #2]
• Handwritten note from E. Bright Wilson, Jr. to LP, RE: Encloses a page explaining the substitutions to use on the spherical harmonic equation. Asks if he is right in the outline of applying the general polynomial method and says that they should maybe summarize it in a footnote somewhere in the book. Notes that Chapter X is progressing, but that he is having trouble with it. [Filed under LP Personal Safe: Drawer 3, Folder 3.005.59]

• Letter from J. McKenn Cattell, Editorial Department of Science, to LP, RE: Asks LP if he would review Davey's "Crystal Structure," for SCIENCE. If not, asks if LP could provide names of others that he could ask. [Filed under LP Personal Safe: Drawer 3, Folder 3.018.44]

• Handwritten note from E. Bright Wilson, Jr. to LP, RE: Attaches some of the writing he did earlier that day for their book. Discusses the statement to be in Chapters 9 and 10 about the total angular momentum and the topics of the Heisenburg Uncertainty principle and matrices which should also be included. Handwritten note by LP: "Use A for ang. mom. vector." [Filed under LP Personal Safe: Drawer 3, Folder 3.005.20]

• LP writes cheque to: ? Amount $5 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: C.E. Powers amount $2.40 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: Ruthanna Pollard amount $30 [Filed under LP Biographical: Box #4.012, Folder #2]

• Handwritten note from LP to E. Bright Wilson, Jr., RE: Encloses miscellaneous sheets and says that Chapter XII is finished and will soon be sent to him, but that XIII and XV are not yet begun. Notes that he has made some of the changes that Sutton and Brockway suggested. Discusses some of the notation they should use in the equations in their book. [Filed under LP Personal Safe: Drawer 3, Folder 3.005.59a]

• AHP writes cheque to: Sportland Inc., amount $4.30 [Filed under LP Biographical: Box #4.012, Folder #2]

• AHP writes cheque to: A&P amount $5 [Filed under LP Biographical: Box #4.012, Folder #2]
• AHP writes cheque to: C.E. Powers amount $1.60 [Filed under LP Biographical: Box #4.012, Folder #2]

• Handwritten note from LP to E. Bright Wilson, Jr., RE: Informs Bright that he hasn't been feeling well so his work on the book has been slow. Notes that he agrees with Tolman that they should publish it at once and asks if Bright agrees that Chapters XIII and XV should be short and that Chapter XIV should only have 3 sections in it, the last written by Bright on quantum statistical mechanics. Asks what be thinks about omitting XIII, because of his book with Wheland. Says that he will send XII and others as soon as he writes in the formulas. [Filed under LP Personal Safe: Drawer 3, Folder 3.005.60]
• Lecture Notes: The Structure of Crystals- Lecture 1 [Filed under LP Biographical: Academia Box 1.010, Folder 8]
• Letter from Arthur B. Lamb, Editor, Journal of the American Chemical Society to LP RE: Requests that LP review the enclosed manuscript by Fuoss, entitled "Properties of Electrolytic Solutions. XV." [LP's reply to Lamb October 15, 1934] [LP Science Box 14.002, Folder 2]
• Letter from Charles W. Stillwell to LP RE: Asking if he can spare a reprint of his paper on "Covalent Radii of Atoms." [LP's reply: October 2, 1934] [Filed under: S: Correspondence, Box #377.4]
• Letter from LP to James B. Conant, Harvard University. [Conant's reply to LP October 1, 1934] [Filed under C: Individual Correspondence, Box #66.15]

  September 25, 1934

  Dr. James B. Conant,

  President of Harvard College,

  Cambridge, Massachusetts

  Dear President Conant:

  I have been working on the porphyrins from the wave-mechanical side, and think that some of your formulas (chlorins, rhodins) should be changed slightly. Would you be interested in reading a manuscript on this subject (when it is written) and advising me as to its correctness and value?

  I believe that we are now in a position to work on some substances of biochemical importance. For example, we have discovered a method of determining how many atoms are bonded to iron in such things as haemin, heamochromogens, etc., by a special x-ray procedure. The work is laborious, and the substances must be reasonably pure. It is my opinion that we should engage a young man trained in haemoglobin work preferably an able student of yours - to assist on the chemical side. Do you recommend this action? If so, could you recommend such a man to us, and advise as to how large a stipend he should be paid? I had in mind a man of about National Research Fellow caliber. I believe that we would want him about a year from now, or perhaps as early as July, 1935.

  I should be happy if it were possible to talk with you about our projected researches in this field, in order to profit by your advice and get your opinion as to their value.

  Dr. Wheland is still with me. He is a very good man at theoretical work. He married this summer.

  My wife joins me in sending greetings to you.

  Very sincerely yours,

  LP:M

• Letter from LP to Warren Weaver, Director of the Natural Sciences, The Rockefeller Foundation RE: Informing Weaver of his plans to reapply for the Rockefeller grant in the fall, including updating him on recent research progress and hopes for the future. [Weaver's reply to LP October 3, 1934] [LP Science Box 14.037, Folder 5]

• Handwritten note from LP to E. Bright Wilson, Jr., RE: Encloses Chapter XII with a final paragraph to replace XIII. Asks if he thinks their title should just be "Int. to Wave Mech." Informs him that he is having some of the nomenclature in Chapter IX changed. Asks Bright to try out an equation for helium. Asks about Harvard and discusses what is going on at CIT. [Filed under LP Personal Safe: Drawer 3, Folder 3.005.58]

• AHP writes cheque to: A&P amount $5 [Filed under LP Biographical: Box #4.012, Folder #2]

• Memorandum cheque notifying LP of $75 transfer among accounts [Filed under LP Biographical: Box #4.012, Folder #2]
• Receipt for Registered Article No. 7064. Handwritten note on back by LP: "To E.B. Wilson." [Filed under LP Personal Safe: Drawer 3, Folder 3.005.1]