Westminster Bridge under Construction; Samuel Scott; 1701/2-1772; British; undated; Gray wash; graphite and pen and black ink on medium; slightly textured; cream laid paper; with thin; slightly textured; blue laid paper border; mounted on moderately thick; moderately textured; cream wove paper; Sheet: 14 1/8 x 28 3/8 inches (35.9 x 72.1 cm) and Mount: 16 3/4 x 31 1/4 inches (42.5 x 79.4 cm); architectural subject; architecture; boats; bridge (built work); construction; engineering; river; England; Thames; United Kingdom; Westminster; Westminster bridge