George Horace Davis
How Radar can be used to Measure Distances and Velocities
£300
Rare Books, Manuscripts, Maps & Photographs
Auction: 23 June 2021 at 11:00 BST
Description
Original artwork, diagrammatically explained, showing radar pulse's speed in relation to theoretical speed of two space ships, pencil, pen and black ink and bodycolour, on board, unframed, 48 x 76cm, signed "G.H. Davis" lower right, slight wear at extremities, slight wear to one slip of paper pasted onto 2nd panel from right bottom row