D. M. Osborne and Co
Or D. N. Osborne and Co of Bell Yard, London., E.C.
Exhibited the 'self-rake' at the 1875 Smithfield Show.
1877 Exhibitor at 1877 Royal Agricultural Show.[1].
1898 Exhibitor at 1898 Bath and West of England Agricultural Show of an American disc harrow and an spring-tooth harrow. [2]