| 000 | 01067nam a2200277Ia 4500 | ||
|---|---|---|---|
| 001 | 9502 | ||
| 003 | BIBL | ||
| 005 | 20160527205444.0 | ||
| 008 | 711108s1971 dcua b 00100 eng | ||
| 010 | _a 71613874 //r86 | ||
| 043 | _an-us--- | ||
| 049 |
_aEVLG _b621.8 _bM474f _cc1 |
||
| 050 | 0 |
_aTJ216 _b.M35 |
|
| 082 | _a621.8/12 | ||
| 092 |
_a621.8 _bM474f |
||
| 100 | 1 | 0 |
_aMayr, Otto. _9251572 _2Local |
| 245 | 1 | 0 | _aFeedback mechanisms in the historical collections of the National Museum of History and Technology. |
| 260 | 0 |
_aWashington _bSmithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] _c1971. |
|
| 300 |
_ax, 133 p. _billus. _c27 cm. |
||
| 490 | 1 | _aSmithsonian studies in history and technology, no. 12 | |
| 504 | _aIncludes bibliographical references. | ||
| 610 | 2 | 0 |
_aNational Museum of History and Technology. _9257523 _2Local |
| 650 | 0 |
_aFeedback control systems _xHistory. _9222526 _2Local |
|
| 650 | 0 |
_aGovernors (Machinery) _xHistory. _9230286 _2Local |
|
| 830 | 0 |
_aSmithsonian studies in history and technology _vno. 12. |
|
| 999 |
_c7750 _d7750 |
||