five wooden hammers are lined up against each other

jeffpeachey.wordpress.com

A Short Treatise on the History and Use of the Electric Backing Hammers; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge

Since the time of the ancients, bookbinders have struggled to back books quickly and efficiently. Early on, they avoided it entirely by naturally rounding and backing, later they would locate the n…

WordPress.com

1 Comment

jeffpeachey.wordpress.com

A Short Treatise on the History and Use of the Electric Backing Hammers; Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge

WordPress.com