Identity elements
Name and location of repository
Level of description
File
Title
Folder 5: G. Felsenthal & Sons, Incorporated: Computer, air navigation, dead reckoning, type MB-4
Date(s)
- ca. 1945? (Creation)
Extent
Content and structure elements
Scope and content
"(Device, leather pouch). No date, ca 1945? 11 x 4.75", printed plastic scale slides printed metal circular discs fastened with screw posts, spacer, grommted rotating dial with diecut windows to expose calculations, other side has clear plastic window to reveal plastic scale, rotating dial with large window held by metal struts. 2-piece leather pouch, sewn along edges. Computer bit rubbed, soiled manuscript calculations added to scale, pouch." -Peter L. Masi