TO
| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 26 |
 |
Christensen Machinery Co. | 1926-04-24 | Image/StillImage | dha_scnpp |
| 27 |
 |
Christensen Machinery Co. | 1926-05-06 | Image/StillImage | dha_scnpp |
| 28 |
 |
Christensen Machinery Co., Filter Feed | 1925-09-26 | Image/StillImage | dha_scnpp |
| 29 |
 |
Christensen Machinery Co., Filter Press | 1924-08-20 | Image/StillImage | dha_scnpp |
| 30 |
 |
Christensen Machinery Co., Filter Press | 1924-08-20 | Image/StillImage | dha_scnpp |
| 31 |
 |
Christensen Machinery Company | 1926-05-15 | Image/StillImage | dha_scnpp |
| 32 |
 |
Christensen Machinery Company | 1926-05-15 | Image/StillImage | dha_scnpp |
| 33 |
 |
Christensen Machinery Company | 1926-09-15 | Image/StillImage | dha_scnpp |
| 34 |
 |
City Boiler Workers, Coal Stoker | 1931-08-11 | Image/StillImage | dha_scnpp |
| 35 |
 |
City Boiler Works | 1931-08-12 | Image/StillImage | dha_scnpp |
| 36 |
 |
Columbus Steel Plant | 1925-08-28 | Image/StillImage | dha_scnpp |
| 37 |
 |
Con. Copper Mines, Int. Motor Gen., T in Hoist House | 1929-05-02 | Image/StillImage | dha_scnpp |
| 38 |
 |
Con. Copper Mines, Int.-- Diesel Engines | 1929-05-02 | Image/StillImage | dha_scnpp |
| 39 |
 |
Con. Copper Mines, Int.--Compressor | 1929-05-02 | Image/StillImage | dha_scnpp |
| 40 |
 |
Con. Copper Mines, Int.--Control Board in Hoist House | 1929-05-02 | Image/StillImage | dha_scnpp |
| 41 |
 |
Con. Copper Mines, Int.--Diesel Eng. Looking Toward Control Board | 1929-05-02 | Image/StillImage | dha_scnpp |
| 42 |
 |
Con. Copper Mines, Int.--Hoist Looking Toward Compressor | 1929-05-02 | Image/StillImage | dha_scnpp |
| 43 |
 |
Con. Copper Mines, Int.--Hoist Looking Toward Control Panel | 1929-05-02 | Image/StillImage | dha_scnpp |
| 44 |
 |
Cook and Fordson at Christensen Machine Co. | 1923-07-21 | Image/StillImage | dha_scnpp |
| 45 |
 |
Crane Co. | 1925-08-28 | Image/StillImage | dha_scnpp |
| 46 |
 |
Crane Company | 1927-01-29 | Image/StillImage | dha_scnpp |
| 47 |
 |
Crane Company | 1927-02-01 | Image/StillImage | dha_scnpp |
| 48 |
 |
Croft Cylinder Grinding Co., Machine | 1923-07-19 | Image/StillImage | dha_scnpp |
| 49 |
 |
Denver Rock Drill Co.Copy of Drawing | 1924-05-13 | Image/StillImage | dha_scnpp |
| 50 |
 |
Dothilt Eng. Co., Machine at Mutual Creamery Co. | 1923-07-29 | Image/StillImage | dha_scnpp |