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

1 imageVM117-Y-1-P2729

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 Engineering Engineering Drawing Plan Public Works Steel Structure 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
What the image shows: A black-and-white photograph of a large engineering drawing on tracing paper, mounted on a dark backing. It shows a circular cross-section of a pipe on the left, with numbered callouts and a key of labelled parts beside it, and to the right three side-by-side longitudinal sections of pipe joints, each labelled with a joint type heading. The title block at the top reads 'STEEL CORE REINFORCED CONCRETE PRESSURE PIPE' with 'BONNA SYSTEM' beneath, and a stamped note near the lower right is partly legible.Described automatically by a vision model; may contain mistakes.
Text in the image: STEEL COREREINFORCED CONCRETE PRESSURE PIPEBONNA SYSTEMCOLLAR JOINTSPIGOT & SOCKET JOINTTRIPLE JOINT1. Bonna's steel tube.2. Joint reinforcing collar.THE BONNA PIPEBY THERead automatically; may contain mistakes.
Harvested: 2026-10-20T15:32:56Z · source datestamp n/a · ead

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