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K&E 4095-3 Family of Slide Rules

Scale set:

DF = CF C = D
= CI = D

• 4095 ----- 10" Mahogany with laminated edges. All glass cursor with metal end blocks. No serial number. This rule was probably produced in 1915 when the model was first released without dash numbers.

• 4095-1 --- 5" Mahogany with laminated edges. All Glass Cursor. Serial # 130439.

• 4095-3 --- 10" Mahogany with laminated edges. All glass cursor. Serial # 323317.
• 4095-3 --- 10" Mahogany with laminated edges. Metal rimmed cursor, probably a replacement cursor. Serial # 376272.

• SPEC. 4095-3 --- 10" Mahogany with laminated edges. Metal rimmed cursor is a replacement. Serial # 408133. This rule has custom scale markings for calculating precentage mark-up.