Subseries 1: S. P. Langley Correspondence Subseries 3: Miscellaneous Correspondence
Series IV, Subseries 2:
S. P. Langley's Assistants' Correspondence

The subseries includes correspondence that Charles M. Manly and J. Elfreth Watkins sent and received on behalf of Secretary Langley and his aeronautical work. Additional Watkins correspondence can be found in Series XI.

The material is arranged alphabetically by the name of the correspondent.


Box  Folder 

C. M. Manly correspondence


39 1 Prentiss Tool & Supply Co. (1900)
2 William Roche (1903)
3 C. Fayette Taylor, MIT (1926)

J. E. Watkins correspondence


39 4 Cleveland Abbe (1890)
5 Cyrus Adler (1890-92)
6 E. P. Allen, Pittsburgh Testing Laboratory (1891)
7 Lemuel Bannister, Fuel Gas and Manufacturing Co. (1890)
8 C. [?] Barus, U. S. Geological Survey (1892)
9 James C. Bayles, Spiral Weld Tube Co. (1890)
10 Benedict & Burnham Manufacturing Co. (1890)
11 Hugo Bilgram (1891-92)
12 Robert Boyd (1892)
13 J. U. Burket & Co. (1890)
14 S. Cabot (1890)
15 Octave Chanute (1891)
16 Thomas Chatard, U. S. Geological Survey (1892)
17 Valentine Clad (Cooking Ranges and Broilers)(1892)
18 Clay & Torbensen (1890)
19 Cole & Reinhart (1890-91)
20 Correspondence with lumber dealers
21 James Dietz [?] (1891)
22 W. D. Doremus (1890-91)
23 J. H. Dow (1891)
24 James Dubois (1891)
25 P. H. Dudley (1890)
26 Charles E. Duryea (1892)
27 Eimer & Amend (1892)
28 Theodore N. Ely, Pennsylvania Railroad (1892)
29 Charles H. Emerson (1892)
30 Charles Emery [?], U. S. Revenue Marine (1891)
31 Peter Frasse & Co. (1891-92)
32 R. G. Gatling (1901)
33 Mr. Geare, (Smithsonian Institution )(1895)
34 J. W. Gibboney, Thomson-Houston Electric Co. (1890)
35 Elmer Goetz (1892)
36 William Fallock, U. S. Geological Survey (1891)
37 William D. Forbes (1890)
38 M. W. Gily (1892)
39 George Brown Goode (Smithsonian Institution)(1895)
40 Reginal[d?] Gordon (1897)
41 W. E. Gray, Holmes Fibre-Graphite Manufacturing Co. (1892)
42 Lawrence Hargrave (1891)
43 O. Harmon (1892)
44 E. H. Hawley (Smithsonian Institution)(1889)
45 Herreshoff Manufacturing Co. (1891)
46 G. F. Hohues, Plymouth Cordage Co. (1891)
47 Hotchkiss Ordnance Co., Ltd. (1891-92)
48 E. C. Huffaker (Smithsonian Institution)(nd)
49 J. E. Hurley (nd)
50 Elwood Ivins, Spring Garden Metal Works (1890-92)
51 John B. Jackson, U. S. Embassy, Berlin (1900)
52 A. Jacobi and Co. (1892)
53 W. Jessop & Sons, Ltd. (1891)
54 Andrew Joyce's Sons Carriage Builders (1891)
55 A. Kastelic, Venezuelan National Railroad (1890)
56 J. M. Kavanagh (1892)
57 Keen & Hagerty Manufacturers (1891-92)
58 O. W. Ketchum (1891)
59 J. R. Kynett (1892)
60 John W. Langley (1891)
61 John S. Leng's Son & Co. (1890)
62 William Magoffin (nd)
63 L. C. Maltby, (Smithsonian Institution)(1891)
64 E. J. Manville Machine Co. (1890)
65 Joseph B, Marvin, U. S. Patent Office (1892)
66 Mr. Maynard, (Smithsonian Institution)(1899)
67 Memorandum from unnamed Smithsonian employee (nd)
68 Merchant & Co. (1890)
69 Monier, Seitert & Pommeret (1892)
70 Alfred F. Moore (1892)
71 National Pipe Bending Co. (1891-92)
72 James L. Norris (1891)
73 Charles H. Ourand (1891)
74 J. C. Pattison, Pope Manufacturing Co. (1895)
75 Philadelphia Charcoal Fuel Co. (1892)
76 Postmaster, Chester PA (1892)
77 Postmaster, New Haven CT (1892)
78 J. E. Praul (1892)
79 H. G. Prout, "The Railroad Gazette" (1892)
80 Randolph and Clowes (1891)
81 Bently Reinhardt (1895)
82 B. L. Rinehart (1895-97)
83 George W. Robertson (1892-99)
84 Romeike Bureau of Press Cuttings (1890)
85 T. W. Scott (1892)
86 S. Shiels (1891)
87 George F. Simonds (1891)
88 M. L. Sperry, Scovill Mfg. Co. (1890)
89 J. J. Suckert, National Ice Machine Co. (1895)
90 D. Sulzberger (1892)
91 F. T. Tapley, Ashcroft Manufacturing Co. (1891)
92 W. H. Travis (1890)
93 Charles Vagt (1891)
94 D. Van Nostrand Co. (1892)
95 William H. Wahl, Franklin Institute (1890)
96 H. H. Westinghouse, Westinghouse Air Brake Co. (1890)
97 W. F. Wheeler (1892)
98 I. Lloyd Wiegand (1891)
99 A. J. Wilkinson & Co. (1891)
100 Thomas Williamson (1899)
101 M. C. Winlock, (Smithsonian Institution)(1891-95)
102 W. D. Wyvill (1892)

Subseries 1: S. P. Langley Correspondence Subseries 3: Miscellaneous Correspondence
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