ClipArt ETC
"A pin-chain of the link-belt type having a loose roller on each pin that joins the links. ... Roller-chain. a, links; b, pins joining links; c, pin without roller or next links; d, rollers on pin; e, roller in position without pin; f, slot and key holding links." -Whitney, 1911

Roller Chain

"A pin-chain of the link-belt type having a loose roller on each pin that joins the links. ... Roller-chain.…

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper, making them adhere to the wall when dry. This is done by rolling or pressing the seams.

Seam Roller

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper,…

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper, making them adhere to the wall when dry. This is done by rolling or pressing the seams.

Seam Roller

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper,…

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper, making them adhere to the wall when dry. This is done by rolling or pressing the seams.

Seam Roller

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper,…

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper, making them adhere to the wall when dry. This is done by rolling or pressing the seams.

Seam Roller

The Seam roller comes in various forms. It is a small tool that is used to secure the seams of wallpaper,…

"The spinning frame, or throstle, is made with two sets of drawing rollers, one on each side. Between these the roving bobbins are placed, and the rove is drawn through them to the requisite fineness, and formed into thread by the action of the spindles and flyers, which are placed in front of each set of rollers, at such distances apart from one another as may be required for the different-sized bobbins and counts of yarn to be spun." — Encyclopedia Britannica, 1893

Throstle

"The spinning frame, or throstle, is made with two sets of drawing rollers, one on each side. Between…

"The spinning frame, or throstle, is made with two sets of drawing rollers, one on each side. Between these the roving bobbins are placed, and the rove is drawn through them to the requisite fineness, and formed into thread by the action of the spindles and flyers, which are placed in front of each set of rollers, at such distances apart from one another as may be required for the different-sized bobbins and counts of yarn to be spun." — Encyclopedia Britannica, 1893

Throstle

"The spinning frame, or throstle, is made with two sets of drawing rollers, one on each side. Between…