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K&E 4088 Family of Slide Rules
Scale set #1 (1913-1921)
DF = CF CIF C = D
K A = S T CI = D L- 4088-2 & 4088-3 Pair with Column Cursors
- 4088-2 --- 8" Mahogany with laminated edges and early column type cursor. No serial number. Prod. #71
- 4088-2 --- 8" Mahogany with laminated edges and all glass cursor. No serial number. Prod. #74.
- 4088-2 --- 8" Mahogany with laminated edges and all glass cursor. No serial number with magnifier. Prod. # 87.
- 4088-3 with Magnifier - 10" Mahogany with laminated edges. Early column type cursor with magnifier. No serial number. Prod. #3
- 4088-3 --- 10" Mahogany with laminated edges and all glass cursor and metal cursor blocks. No serial number. Prod. # 62.
- 4088-3 --- 10" Mahogany with laminated edges and all glass cursor and metal cursor blocks. No serial number. Prod. # 562.
- 4088-3 --- 10" Mahogany with laminated edges and all glass cursor. No serial number. Prod. #56
Scale set #2 (1922-1939)
DF = CF CIF C = D
K A = B S T CI = D L- 4088-1 - 5" Mahogany with laminated edges and all glass cursor. Serial # 106261
- 4088-2 - 8" Mahogany with laminated edges and all glass cursor. No serial number. Prod. #38C
- 4088-2 - 8" Mahogany with laminated edges and metal rimmed cursor. Serial # 180236
- 4088-3 - 10" Mahogany with laminated edges and all glass cursor. Serial # 162843
- 4088-3 - 10" Mahogany with laminated edges and all glass cursor with corner ridges. Serial # 422532
- 4088-3 - 10" Mahogany with laminated edges and new improved cursor. Serial # 446002
- 4088-5 - 20" Mahogany with laminated edges and all glass cursor. Serial # 72158
- 4088-5 - 20" Mahogany with laminated edges and metal rimmed cursor. Serial # 29077