ACROSS

 1  Fall will find it fall sooner. (8)

 5  How 3 down is posted. (6)

10  Indigenous. (7)

11  Delivered, when the address is given. (7)

12  They come big on little pitchers. (4)

13  In the midst of silver around the scotch man. (5)

16  Precipitate eruption. (4)

17  Old apothecaries. (7)

19  Composer sounds seedy. (5)

20  35 at poker. (4, 2)

22  Only flight can keep it from going broke. (7)

23  Not exactly a little shaver from Seville. (6)

25  Actions that went to town. (5)

27  Has drawers and puts them on. (7)

31  Sort of wink? (4)

32 and 33  Forecasts the output of The Nation. (2, 3, 4)

36  Train, run true to form. (7)

37  Nastier when taken out of reserves. (7)

38  How a junk-man gets around. (6)

39  Nathu Ram Vinayak Godse, for example. (8)

DOWN

 1  Checked up the quality of hose. (6)

 2  Rather catching when it comes up like the surface of some roads. (3-4)

 3  He must have played a hot fiddle! (4)

 4  Sorted as mail, and sliced as meat. (6)

 6  A sketch, without question. (4)

 7  Fine feathers fit a male pug. (7)

 8 and 21  Even a blind man can appreciate the leading paragraphs of The Nation. (3, 5, 2, 6)

 9  Ordmary-sounding surface. (5)

13  How the general leads on to a particular place. (1, 6)

14  His business is spectacular. (7)

15  This man seems to be enraged. (7)

17  ”Of reeking tube and iron ———” (Kipling). (5)

18  Curl over the lip. (5)

21  See 8.

24  With enough water and rum, even a goat could make this fabric. (7)

26  I raised milk products there. (7)

28  How to finish off Edward. (5)

29  If their relatives were hangers-on, it would make material difference. (6)

30  Would one accuse him of having been light-minded? (6)

34  Wind to lean against when it comes up. (4)

35  The answer to 20 is the definition. (4)