Results for "Smithsonian Institution. Assistant Secretary for Research"
Vertebrate Exhibit, Conference on Future of SI
- Date: February 11, 1927 1927
- Creator: Unknown
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Telegraph Sounder
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Armature
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Suspended Armature
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Galvonometer
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Compound Spiral
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Galvonometer
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Sturgeon's Electromagnet
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Electromagnet
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Battery
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Ritchie's Motor
- Date: Undated
- Creator: Unknown
Joseph Henry Electromagnet Equipment - Commercial Motors
- Date: Undated
- Creator: Unknown
