151 - 175 of 1,111
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TitleDateType
151 Diary of Zilla Linford, 19291929Text
152 Temperature control apparatus1929Text
153 The Usefulness of capillary potential to soil-moisture and plant investigators1929Text
154 Diary of Mary H. Linford, Book no. 12 from Oct 1, 1930 to December 31 19331930; 1931; 1932; 1933Text
155 Diary of Zilla (Linford) Richards, 19301930Text
156 Letters from Zilla and Lorenzo Richards during their stay in Ithaca, New York, in 1930 and 1931, and Ames, Iowa, 1936 and 19371930; 1931; 1936; 1937Text
157 A Vacuum-tube voltage regulator for alternators1930Text
158 Diary of Zilla (Linford) Richards, 19311931Text
159 Why wicks work1931Text
160 Diary of Zilla (Linford) Richards, 19321932Text
161 Automatic time-recorder1932Text
162 Diary of Zilla (Linford) Richards, 19331933Text
163 The Use of triode vacuum tube rectifiers to supply constant voltage1933Text
164 Diary of Mary H. Linford, Book no. 13 from January 1 1934 to February 1 19371934; 1935; 1936; 1937Text
165 Diary of Zilla (Linford) Richards, 19341934Text
166 Some improvements in auto-irrigator apparatus1934Text
167 Some improvements in auto-irrigator apparatus1934Text
168 Letter dated 16 August 1934 from John D. Hooper to May Linford1934-08-16Text
169 Illness logs for the Richards family, 1935-19381935; 1936; 1937; 1938; 1939Text
170 Diary of James Henry Linford, 1935, January through March1935Text
171 Diary of Zilla (Linford) Richards, 19351935Text
172 Letter dated 22 January 1935 from John C. Hooper to Mary Linford1935-01-22Text
173 Letter dated 22 March 1935 from John C. Hooper to Mary Linford1935-03-22Text
174 Letters dated 16 and 18 December 1935 from Zilla Linford Richards to "Uncle Willie"1935-12Text
175 Letter dated 18 December 1935 from Zilla Linford Richards to Ivy Hill1935-12-18Text
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