The Architecture of Robert Adam(1728-1792)

Edinburgh Bridewell - Castle Style Scheme 4

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Prison in late 18th
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This design is really a re-working of the previous design, scheme 3, after major reduction in accommodation, presumably as a result of a cost cutting exercise. The plan shape of the perimeter walls is identical, as is the internal arrangement of the central prison block and Panopticon hemisphere. The maj changes are obvious. The side wings and the link between them and the central block of the prison have been omitted. This has reduced the number of courtyards. Fig 1 shows in outline the position these wings had occupied. In addition the Governor's house is greatly reduced in size from the previous scheme.

third castle scheme

Fig 1 - Ground Floor and Courtyards. There are two ground floor plans of this version of the Bridewell, one annotated and the other not. Where the East and West wings were, only their outlines are shown, and the arrangement of the courtyards has been altered to provide gardens in place of the buildings. The size of the Governor's house has been reduced by half, and split to provide an apartment for both a Governor and Governess.

basement level passages

Fig 2 - Sub-Basement Link to the Exercise Yards. The plan at this level shows three passages linking the stairwells (providing access to and from the cell galleries) to the exercise yards to the South of the building. The ground Floor plan above, only shows a single stair emerging on the South side by the Observation lodge. This is another indication that the design is still in flux. On the East and West sides at this sub-basement levels there are cells for solitary confinement.."blackholes".

Another major change is obvious in the section (Fig 4) which it seems reasonable to ascribe to this set of plans. By comparison the new interior of the central cell block is stripped down, utilitarian and devoid of decoration. Gone are the tiers of Doric columns. Gone is the arcaded base tier of cells and the arched door openings where the corridor breaks through the radiating walls.

From any perspective it seems extraordinary (and perhaps somewhat endearing) that Adam was considering including some of these details. Perhaps interest in the architecture subsumed all practicalities. One can imagine the comments of the committee overseeing the project. They may well have thought that any architectural effect would be lost on those to be detained and that the revised design far more in keeping with a prison.

Irrespective of the changes, the space itself, capped by the curving ceiling and rooflights, would still have been dramatic.

 

 

Fig 3
Revised design of the interior of the hemicycle space, with little or no decoration

Fig 4
First Design of the half-cylinder space included an arcade of arches and four tiers of Doric columns

 

Fig 5
Detail of simplified interior

Fig 6
Detail of original design for interior

On the plan of this version of the Bridewell there is a particularly interesting note inscribed around the perimeter of the walkway external to main prison wall. This reads "A walk with Wooden Pallisades with Centinel Boxes on the Angles for guarding the outsides of the Walls, to prevent attacks from without or getting over the walls from Within"

The political situation in Scotland at this time is covered elsewhere in these essays. Suffice to say here that this note gives us the clue that the Bridewell was not just intended to act as a prison preventing people inside from getting out. It was also designed to be defensible, to actually be a fortress, as well as look like one.

external wall and pallisade

Fig 7 - North South Section. This section shows parts of the building in accordance wiht the plan for this version of the Bridewell, such as the reduced size of the Governor's house, and parts that relate to the previous version, such as the treatment of the Interior courtyard.

external wall and pallisade

Fig 8 - Detail of North South Section.
"A walk with Wooden Pallisades with Centinel Boxes on the Angles...". It surely must have amused Adam to be designing a wooden pallisade in the style of an early Roman fort for the centre of Edinburgh.

plan detail

Fig 9 - Detail of Plan at Yard wall. Version 4
 "A walk with Wooden Pallisades with Centinel Boxes on the Angles..." This plan arrangement clearly goes with the elevation in Fig 8.

 plan detail

Fig 8. Detail of Plan at Yard wall. Version 3. Included for comparison, this is the same detail from the previous design, Version 3, where an enclosed "Centinel box" taking up the entire corner is proposed. This "room" would have been roofed over to keep the sentry in darkness, allowing him to observe but not be observed. There are invisible inspection slots on both the external wall and the main wall to the prison yards. In this way a sentry would be able to guard against external attack, and supervise the prison yards, while remaining invisible in the darkened interior of their "centinel box"

 plan detail

Fig 9. Detail of Observation Lodge. Very similar to the previous scheme, all the exercise yards for the different "classes" of prisoners could be invisibly supervised from one central position.

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Prison in late 18th Century Scotland

Robert Adam's Designs for the Bridewell

Scottish Politics and the Bridewell Designs

Glossary

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Bibliography

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