DWM=Dale W. Magnuson
JTT=Joe Thomas
Peter Angelo
ORNL Critical Experiments Logbooks 1-108 from RSIC
Book Number Description (spine or cover) pages Initial Date Final Date Remarks  Experimenters
1 Book 1 50 January-48 January-50 Extraction Recovery
2 2%, 5% sphere 106 August-53 December-54 sol and temperature
3 JTT Solutions  140 July-65 July-66 Pu Nitrate solution  J Thomas
4 U(97)O2(NO3)2 43 May-68 July-68 solution in Al tank
5 U233 Inventory 219 August-66 April-68 U233 Criticals - arrays
6 CA-16 72 January-54 June-54
7 CA-18 185 March-54 June-54
8 CA 19-20 200 June-54 November-54
9 CA-24 ART-HC 107 June-55 September-55 ARE Containers  Na-UF6 
10 CA-25 APPR Book 1 178 September-55 November-55
11 CA-25 APPR Book 2 121 November-55 January-56
12 Cylinder Exp Book 1 279 December-62 May-63 cylinder experiments  Mihalczo ***Look at Recent Taylor-Mihalczo Benchmark***
13 Book 2 278 May-63 November-63 7" Be disc - Benchmark- Cylinders  Mihalczo
14 Book 3 282 November-62 May-64 stack geometries, C reflector, C core  Mihalczo
15 Book 4 291 May-64 May-65 stack geometries, C reflector, C core  Mihalczo
16 Book 5 144 May-65 August-65 critical separation 2-3" thick 15" dia cylinders  Mihalczo
17 Book 7 110 November-67 February-71 stack of 7" discs sandwitched in carbon  Mihalczo
18 dosimetry log - solutions experiments ORNL 28 October-46 September-47 "catastrophe badge" (early PNAD)
19 LA-5 15 April-46 ion chamber design
20 Critical Assembly Data Pajarito Canyon 111 April-46 historical significance! array of UCF6-CH2 cubes
21 LA-1- Log of Crit Mass exp at Los Alamos 11 May-46 May-46 historical significance!
22 Green Cubes 33 April-46 April-46 kinetic experiments (source jerk)
23 Y-12 5-3/8" OD Bottle Arrays 245 September-60 December-62 67 experiments
24 Tower Shielding Mockup - APR 56 October-55 April-56
25 Solutions experiments 43 August-47 September-49
26 Log 64 February-51 May-51
27 Auto-Radiography/Arrays 8-unit U Cylinders 276 March-70 June-73 U pieces foam/fiberglass array - J Thomas ***
28 Uranium Solution Critical Facility 122 March-59 August-59 J Thomas et al
29 EGS Plates #2 152 October-63 March-64
30 HFIR #5  80 February-72 February-75
31 HFIR #4 91 February-68 February-72
32 Sample Info 41 April-58 July-68
33 West Assembly Area Log 39 November-70 February-75 no critical experiments
34 HFIR #1  137 July-63 June-66
35 HFIR #2  155 June-66 June-67 Flooded
36 HFIR #1 349 December-59 January-61  with D2O
37 Cans 17 kg U(93)O2 39 September-73 October-73 Oxide Cans - DW Magnuson ***
38 U-Metal Slabs H/X =0 to H/X= 5 173 February-67 August-68 ORNL-TM-868 DWM
39 Tinker Toy Experiments 144 November-62 November-63 20 kg U(93.2) /unit
40 H-proton neutron recoil inst 29 no critical experiments
41 UCF6-CH2 Blocks 95%, 29.8% 79 September-66 July-71 teflon criticals precursor to UF6 criticals
42 Water Analysis 142 April-54 April-67 waste storage
43 Magnuson - Thomas 161 January-58 January-59 solutions in bottles
44 EBOR ML-1 149 March-60 October-67 UO2(NO3)2 solutions Y-12 solutions
45 U (3.85) Rods 329 March-68 April-70 array of slugs
46 Foils 15 July-58 July-64
47 Pulse Neutron Solution and SPERT D 235 December-62 January-65 Benchmark 5x6 box of plates array
48 J thomas  100 December-53 August-57 Series A-D Experiements
49 Sulfur Foils for FBR 102 November-61 March-62 irradiations
50 HFIR CE3 Foils 248 March-64 December-70 DWM
51 Solutions Experiments Book # 1 Exp 1-35 139 September-47 November-47 historical significance! Callihan, Fox
52 Solutions Experiments Book # 1 Exp 36-150 155 November-47 May-48 historical significance! Callihan, Fox
53 Solutions Experiments Book # 1 Exp 151-192 67 May-48 August-48 H/X 500 
54 Summary of Solutions Experiments 42 6,7,8" Aluminum containers
55 Analytical Weightings 72 May-48 June-52
56 K-1095 Nitrate Experiements 315-383 160 November-49 10-15" Al containers Callihan, Fox
57 HFIR # 3 91 September-67 February-68
58 HFIR CE #5 41 December-70 June-71
59 CE 2 1961 1962 213 May-61 March-62 HFIR
60 ETA Pellets HFIR
61 Misc Inst
62 CE-2 Pulsing 1960
63 West Cell Pulsing by DWM
64 CA 2&3
65 SORA Book #1
66 SORA Book #2
67 1970 Chem Tech Log DWM Drum Counting
68 Pulse Neutron Subcritical 1966
69 2% Bk #1  H/X=195 and 294
70 2% Bk #2  H/X=195 and 294+404
71 2% Bk #3  H/X=195 and 294,404 & 500
72 2% Bk #4  H/X=195 and 500
73 Book #1 3% H/U -4
74 Bk#5 2% & 3% H/X=615; H/X=279
75 Snap UO2
76 Aberdeen Pulse Reactor Book #1 318 June-66 May-67 10% Moly, delta T , reactivity Taylor, Lynn
77 Aberdeen Pulse Reactor Book #2 53 May-67 summary
78 INV 83 129
79 CA-2
80 INV 83
81 Solutions #1
82 Solutions #2
83 Tinker Toy Series 4 15 kg/U per unit 137 **Benchmark**
84 UO2F2 Solutions 149 **Benchmark**
85 Tinker Toy Series 3 10 kg U per unit **Benchmark**
86 Tinker Toy Series 2 25 kg U per unit **Benchmark**
87 Cubes on Table
88 P&W 5297 KIWI-B Fuel Elements
89 Interaction #1 340 historical significance! Callihan
90 Uranium Buttons U metal buttons Lynn, Mihalczo
91 NB-WI-4 131 July-49 August-54 Electronics 
92 Room 202 NB-WI-4 220 March-59 December-67
93 NB-WI-3
94 NB-WI-2
95 U(4.98)O2F2 Cylinders in steel shells 171 June-67 September-70 Fe and H2O Reflectors
96 UO2F2 Solution #6  120 September-70 July-71
97 Solutions #3 U(4.9)O2F2 302 September-62 April-65
98 Solutions #4 U(4.9)O2F2 304
99 U(4.9) rods #5 243
100 U(4.9) rods #6 101
101 U(4.9) rods #3 345
102 U(4.9) rods #4
103 HTRE Fuel Elements U(4.9) rods #1
104 U(4.9) rods #2
105 "10152" K-1095 Interaction Experiments
106 "10153" K-1095 Interaction Experiments
107 Bk 7 1970, 1971, 1967 110 November-67 February-71 stacked  discs Taylor,Lynn., Mihalczo **Benchmark**
108 Bk 8 SPH 1971-72 293 February-71 March-72 Taylor,Lynn., Mihalczo **Benchmark**
JT THOMAS UF6 Cylinders NOT AMONGST THIS SET!!!