plaque showing the rivetless joint created by Mephan Ferguson c1890's. The plaque is near the Mundaring Weir where Ferguson supplied 530 kms of pipeline using this joint, the first major pipe project to use a rivetless joint
<a href="//commons.wikimedia.org/wiki/User:Gnangarra" title="User:Gnangarra">Gnangarra</a>
CC BY 2.5 au
Digital photograph -- self-made