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Subject: Locks Hydraulic engineering

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Lock at Lockport, N.Y.
Slide file number: 05.86-D-4

Slide file number: 05.86-D-4
Lock 1 on the Old Welland Canal
Slide File Number: 02.28-E-1 This image is taken from the book "St. Catharines: The Garden City".

Slide File Number: 02.28-E-1 This image is taken from the book "St. …
The Old Welland Canal at Merritton
Slide File Number: 02.33-B-1

Slide File Number: 02.33-B-1
The Old Welland Canal at Merritton
Slide File Number: 02.32-B-2

Slide File Number: 02.32-B-2
An Aerial View of the Third Welland Canal
Slide File Number: 02.33-C-1

Slide File Number: 02.33-C-1
The Old Welland Canal
Slide File Number: 02.33-D-2

Slide File Number: 02.33-D-2
The Flight Locks on the Third Welland Canal
Slide File Number: 02.34-A-2

Slide File Number: 02.34-A-2
Lock 1 on the Welland Ship Canal
Slide File Number: 02.35-C-1

Slide File Number: 02.35-C-1
An Old Lock on the Third Welland Canal
Slide File Number: 02.29-A-4

Slide File Number: 02.29-A-4
A Lock on the Old Welland Canal
Slide File Number: 02.29-B-4

Slide File Number: 02.29-B-4
The Old Welland Canal Behind St. Paul Street
Slide File Number: 02.32-C-2

Slide File Number: 02.32-C-2
Lock One, Old Welland Canal
File Number: 08/pt1/4-1.6

File Number: 08/pt1/4-1.6
Lock Two, Old Welland Canal
File Number: 08/pt1/8-1.3 See also File Number: 08/pt1/8-1.2

File Number: 08/pt1/8-1.3 See also File Number: 08/pt1/8-1.2
Lock Three, Second Welland Canal
File Number: 08/pt1/11-1.1

File Number: 08/pt1/11-1.1
Lock Three, Second Welland Canal
File Number: 08/pt1/11-1.2

File Number: 08/pt1/11-1.2
The Closing Off of the Second Welland Canal at Protestant Hill
File Number: 08/pt1/16-1.2

File Number: 08/pt1/16-1.2
A Wooden Lock of the Welland Canal near Hayes Steel
File Number: 08/pt1/18-1.1

File Number: 08/pt1/18-1.1
A Wooden Lock of the First Welland Canal
File Number: 08/pt1/18-1.2

File Number: 08/pt1/18-1.2
A Lock on the Third Welland Canal
File Number: 08/pt1/26-1.3

File Number: 08/pt1/26-1.3
Looking South on the New Canal
File Number: 08/pt1/28-1.4

File Number: 08/pt1/28-1.4

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