Richard Dawson sang on November 20th, 1932.
Genaille -- Lucas rulers -LRB- also known as Genaille 's rods -RRB- is an arithmetic tool invented by Henri Genaille , a French railway engineer , in 1891 .. arithmetic. arithmetic. Henri Genaille. Henri Genaille. The device is a variant of Napier 's bones .. By representing the carry graphically , the user can read off the results of simple multiplication problems directly , with no intermediate mental calculations .. carry. Carry ( arithmetic ). multiplication. multiplication