Concise No. 28
customized for
Otis Engineering Corporation
slide rule slide rule
Click to view 300 dpi image.
ManufacturerConcise Co. Ltd.
ModelNo. 28, customized for Otis Engineering Corporation
Serial No.
Overall diameter8.2 cm
Body/Slide materialsPlastic
Post materials
Cursor materialsPlastic
Scales D [C CI A K]
"Gas Table" "Fluid Weight Conversion Table"
AccessoriesBlack vinyl case labeled "Otis Engineering Corporation" and "Concise"
Notes
Tag No.CON-28-OTIS
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