Pencil sketch by Bryan de Grineau
Pencil sketch by Bryan de Grineau
1952
Pencil sketch by Bryan de Grineau
1947
Felix Pole
1937
pencil sketch
1943
Pencil sketch, Heston WAF lecture
1957
Sketch of wood shop
Queen Elizabeth in Dry Dock, Southampton
1946
Pencil sketch by Bryan de Grineau
1952
Queen Elizabeth at Clydebank
1939
Queen Elizabeth in Dry Dock, Southampton
1946
Sketch of automatic gear box
Pencil sketch, testing instruments for flight
1952
Pencil sketch, NPL whirling arm
1953
Pencil sketch by Bryan de Grineau
1952
Sketch of Tower Bridge Hoists showing arrangement of locking gear by which the outer gate must be locked before door of cradle can be closed
1891
Testing the combustion chamber of a jet engine
1947
Sorting bulbs
Weighing
Sky Sketches, illustrating optical phenomena
1884
Eight sky sketches by William Ascroft
1884
Nine sky sketches by William Ascroft
1884
Eight sky sketches by William Ascroft
1885
Ten sky sketches by William Ascroft
1885
Nine sky sketches by William Ascroft 1883
1884
Ten sky sketches by William Ascroft
1884-1885
Ten sky sketches by William Ascroft
1885
Three sky sketches by William Ascroft
1885
Nine sky sketches by William Ascroft
1884
Sky Sketches, illustrating optical phenomena
1883
Nine sky sketches by William Ascroft
1884
Ten sky sketches by William Ascroft
1884
Eight sky sketches by William Ascroft
1884
Sky Sketches, illustrating optical phenomena ...
1883
Eight sky sketches by William Ascroft
1885
Ten sky sketches by William Ascroft
1884
Four sky sketches by William Ascroft
1886
Three sky sketches by William Ascroft
1885
Seven sky sketches by William Ascroft
1885
Eight sky sketches by William Ascroft
1884
Nine sky sketches by William Ascroft
1885
Three sky sketches by William Ascroft
1885
Nine sky sketches by William Ascroft
1885
Eight sky sketches by William Ascroft
1885
Eight sky sketches by William Ascroft
1885
Ten sky sketches by William Ascroft
1884
Four sky sketches by William Ascroft
1886
Three sky sketches by William Ascroft
1885
Pencil sketch by Bryan de Grineau
1952