Antique Shannon Arch Filing Clipboard by Yawman & Erbe philco James Heddon & Son -

James Heddon & Son - Dowagiac

Includes wood pins

The sign is of thick wooden construction

business cards and various other small important items

This example shows heavy surface wear

Antique Shannon Arch Filing Clipboard by Yawman & Erbe philco James Heddon & Son -c. 1910s 1920s; Yawman & Erbe Mfg. Co. Rochester, NY Early office filing clipboard featuring a cast iron Shannon Arch clamp with original paper form attached, manufactured by Yawman & Erbe Mfg. Co., makers of "Y & E" office filing systems. The Shannon Arch design was a patented system developed to securely compress and hold documents, widely used in offices and government institutions during the early 20th century. The cast iron clamp retains strong