Système de canalisations Bonna : plan montrant les différents types de joints pour les canalisations de marque "Bonna". - 29 janvier 1932

1 imageVM117-Y-1-P2730

Held by: Ville de Montréal. Section des archives via Archives de Montréal (Ville de Montréal)
Dates: 29 janvier 1932 (indexed as 1932)
Level: item
Scope & content: Photo d'un plan montrant les différents types de joints pour les canalisations de marque "Bonna". Titre original de l'index : "Bonna System - Section of different types of Joints -Bonna Pipe - looking East."
In the picture: Concrete Structure Cross-section Drawing Engineering Drawing Plan Water SupplyTagged automatically by a vision model; may contain mistakes.
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Extent: 1 photographie : négatif sur verre : n&b. ; 12,6 x 17,7 cm.
Format: Document; Artwork
What the image shows: A black-and-white photograph of a technical drawing on paper, titled in capital letters STEEL CORE REINFORCED CONCRETE PRESSURE PIPE and BONNA SYSTEM. It shows a circular pipe cross-section on the left with a numbered key of parts beside it, and to the right three side elevations of pipe sections, each labelled with a different joint type such as collar joint, spigot and socket joint and truss joint. A title block in the lower right contains small printed lettering and the words Montreal Water Works, and the drawing is pinned at its corners to a backing board.Described automatically by a vision model; may contain mistakes.
Text in the image: STEEL COREREINFORCED CONCRETE PRESSURE PIPEBONNA SYSTEMCOLLAR JOINTSPIGOT & SOCKET JOINTTRIPLE JOINT9. TRIPLE STEEL JOINTMONTREAL WATER BOARDTHE BONNA PIPECAULKED JOINTAPEX & SOCKET JOINTMONTREAL WATER DEPTBY THERead automatically; may contain mistakes.
Harvested: 2026-10-20T15:32:56Z · source datestamp n/a · ead

As harvested (ead)