Possibly (S. Marco, Nadali & Vianello (1999) Tav. 41) Chiesa di S. Maurizio. Campo S. Maurizio is S.Marco 2668-2757 and the ‘narrow dirty canal could be either Rio de S. M. Zobenigo or Rio de l’ Alboro.
See Morris (1989) p.15. Both pages House Book 2 51L and 51 are reproduced and described as ‘Ruskin’s notes on the Casa Loredan’ which clearly applies only to the verso page 51L.
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