Science Museum ( probably not since I was at University round the corner over 30 years ago) so I got thoroughly lost finding the 'flight' gallery, destination for Tuesday's drawing session. Memories of the aviation section of the Royal Army Museum in Brussels .
Hiram Maxim ( as in gun)
'Phillip's Propeller which attracted me but it proved a challenging subject with all that foreshortening!
'challenge of materials'
Tombow Mono zero and Derwent eraser -pen) and a tin of Winsor and Newton watercolour markers..... I made them work hard in the shop as the packaging just had dots of colours on the front, not a list of what they were but they helpfully looked it up on the computer so I could work out what additional ones to buy to replace the green and black. I'll let you know how I get on.