K&E 4053-3 10" Polyphase Mannheim 1914-1915

Metal Cursor Blocks

Specimen #3

These scans are from the collection of Clark McCoy

The cursor blocks on this specimen are marked "PAT. APPL FOR" on the back and "KEUFFEL & ESSER CO NEW YORK" on the edge.

The production lot number for this rule is 548.

Front side

Back side of slide

Rear side

Bottom edge

Top edge

End view

Cursor