Drills

Ref Description

1 .........Holman Chipping hammer

2 .........Holman Coal pick

3 .........Cornish rock drill

4 .........Holman Drifter cutaway, South African model ?

5 .........Holman cradle drifter

6 .........Holman cradle hammer

7 .........Ratchet drill with long and short auger bits

8 .........Rotodrill

9 .........Holman Silver 3 with airleg attachment

10.........Holman SL drifter, early model

11.........Spader attachment

12.........Spader attachment

13.........Holman SS40

14.........Holman SS80

15.........Holman SS80

16.........Holman SS80

17.........Holman SS80 with muffler

18.........Stoper, unknown make

19.........Large airleg

20.........Holman 303 stoper

21.........Cradle

22.........Holman Silver 3?

23.........Stoper

24.........Holman machine cutaway, c.f. rock pick contained in display case

25.........Maxam cylinder contained in display case

26.........Holman 2 inch stoper

27.........Holman 3� inch reciprocating air valve drill mounted on tripod, weight 320 lbs made in 1902

28.........Holman Autostoper AFW2 with manual rotation (widow maker)

29.........Holman Broom-Ward drill

29a.......Holman 2� reciprocating rock drill. The prize winning machine used in the South African Gold Fields drilling competition of 1909. * see report listed in the archives

30.........Holman 2� inch reciprocating air valve drill. 1915 Cutaway to expose working parts

31.........Doering rock drill 1867 The first drill to be used in Cornish mines

32.........Holman Dryductor dustless drill manufactured 1949

33.........Early Loam rock drill 1882

34.........First Holman rock drill 1881

35.........Holman Baby drill manufactured 1906

36.........MacDermott and Glover patent percussive rock drill perforator 1860

37.........Holman Silver 30 general purpose hand drill with airleg

38.........Holman Silver 8 light hand drill 1928

39.........Holman Silver Bullet general purpose rock drill. Cutaway to expose working parts. Mounted on mahogany display stand

41.........Holman Size 40 Rotagrind

42.........Holman SL100 grinder 1927

43.........Holman SL11 drifter with cradle 1925

44.........Holman SL11A sinker 1928 with Australian retainer

45.........Holman SL12 with sprung handle 1928

46.........Holman SL14 streamline rock drill mounted on hand feed cradle 1929

47.........Holman SL240 drifter mounted on hand feed cradle free standing

48.........Holman SL280 drifter with automatic rocker type feed screw. An experimental machine manufactured in 1935

49.........Holman SL280 on stretcher bar

50.........Holman SL8 1928 The first of a range of small streamline machines

51.........Holman SL9 1928 with handyleg

52.........Small Holman drifter (the prize winning drill from the South African competition of 1909/10) on stretcher bar

53.........Holman pneumatic Spade

54.........Holman SS22 road ripper

55.........Holman SS80 with muffler

56.........Holman 3� inch drill

57.........Holman Climax SH16 stoper

58.........Holman AFW2 with manual rotation. Introduced in 1919 known as the �Widow Maker�

59.........Broomwade road drill

60.........Holman S40 rotogrind * see archives

61.........Model of Holman scraper haulage. Scale 1� to 1 �

62.........Nameplate ��Twin Grip� drill steel sharpening machine�

63.........Nameplate �Gilberts Patent Holman Bros Sole Makers Camborne�

64.........Nameplate �Holman Bros. Camborne�

67.........Climax SH 16 stoper

68.........Holman SL9G rock drill

69.........Holman AFW2 with manual rotation

70.........�Heleshaw� rotary piston air winch cut away to expose working parts

71.........Holman �V� engine cut away to expose working parts

72.........Holman Compressor ATH 8 S working pressure 100 psi cut away to expose working parts

74.........Box of miscellaneous components, mostly Maxam

75.........Miscellaneous rock drill components with two ?Goodyear pumps

76.........Components of a cement vibrator

78.........Bole bits, etc

79.........Compressor cutaway

80.........Holman Stretcher bar hoist with twin 3� x 5� cylinders manufactured 1910