Part 3 containing photographs of scientific navy technology and components. 1) 'Simple...

Part 3 containing photographs of scientific navy technology and components.

1) 'Simple dial phonic chronometer (1st Model) 1919'. Size 12cm x 15cm.

2) 'Simple dial phonic chronometer (1st Model) 1919'. Size 10cm x 16cm.

3) 'Ironclad phonic Motor 1919 top view'. Size 8cm x 9cm.

4) 'Ironclad phonic Motor 1919 in parts'. Size 7cm x 10cm.

5) 'Ironclad phonic Motor 1919 side view'. Size 9cm x 8cm.

6) 'Induction Micrometer'. Size 7cm x 10cm.

7) 'Induction Micrometer'. Size 10cm x 11cm.

8) 'Electrode Search Gear'. Size 6cm x 14cm.

9) 'HMT William Inwood'. Size 9cm x 13cm.

10) 'HMT William Inwood'. Size 8cm x 12cm

11) 'Double depth Bidirectional hydrophone (Morris and Sykes)'. Size 14cm x 10cm.

12) 'Unidirectional and bidirectional simple diaphragm hydrophones'. Size 16cm x 6cm.

13) On board boat. Size 8cm x 10cm.

14) On deck of boat. Size 10cm x 8cm.

15) 'Pressure calibration apparatus for PE gauges'. Size 7cm x 8cm.

16) 'Vibration integrater'. Size 8cm x 10cm.

17) 'String Paddle ACM device'. Size 8cm x 10cm.

18) 'Tripod SR Hydrophone, Shandon 1917 - 20'. Size 11cm x 15cm.

19) 'Head of Tripod Hydrophone'. Size 11cm x 13cm.

20) ' 'Drifter' set. Non directional diaphragm hydrophone'. Size 13cm x 9cm.

21) 'Unidirectional simple diaphragm hydrophone'. Size 12cm x 9cm.

22) 'Acoustic compensator for direction finding'. Size 6cm x 16cm.

23) 'Acoustic compensator for direction finding'. Size 15cm x 11cm.

24) Lancashire Fish. Size 7cm x 11cm.

25) 'Binaural compensator'. Size 15cm x 11cm.

26) 'Binaural compensator'. Size 15cm x 11cm.

27) AC converter. Size 12cm x 15cm.

28) AC converter. Size 12cm x 15cm.

25) 'HM 'Auricula' fitted with VLC coils'. Size 8cm x 13cm.

26) 'HMT 'George Ireland''. Size 9cm x 13cm.

27) 'Workshop AES Parkeston Quay'. Size 11cm x 16cm.

28) 'Workshop AES Parkeston Quay'. Size 11cm x 16cm.

29) 'Sound Ranging Locator (CVD) 1919-1920'. Size 12cm x 14cm.

30) 'Hahnemann Sound Transmitter German (1918)'. Size 11cm x 14cm

31) 'Hahnemann Sound Transmitter and AC generator rotary convertor and Hahnemann Sound Transmitter in cover'. Size 7cm x 15cm.

32) 'AC generator for Hahnemann Transmitter'. Size 10cm x 15cm.

33) 'CVD Roller Stroboscope'. Size 12cm x 15cm.

34) 'CRO 1919'. Size 16cm x 11cm.

35) 'AC relay vibration integrator'. Size 8cm x 10cm.

36) 'Optiphone'. Size 6cm x 8cm.

37) 'Generating Station of S Foreland Lighthouse. Four Holmes Magneto Electric Machines - Trinity House'. Size 8cm x 10cm.

38) 'String and Paddle ACM device'. Size 12cm x 12cm.

39) 'Depth sounding bomb'. Size 9cm x 11cm.

40) 'Phonic Chronograph Shandon 1919'. Size 9cm x 11cm.

41) 'Phonic Chronograph Shandon 1919'. Size 9cm x 11cm.

42) 'Phonic Chronograph Shandon 1919'. Size 11cm x 9cm.

43) 'Dropping ball apparatus for calibrating phonic chronometers'. Size 10cm x 5cm.

44) 'Dropping ball apparatus for calibrating phonic chronometers'. Size 9cm x 7cm.

45) 'Dropping ball apparatus for calibrating phonic chronometers'. Close up. Size 10cm x 7cm.

46) 'Sound ranging equipment for phonic chronometer and chattering contact receiver'. Size 11cm x 8cm.

47) 'Sound ranging equipment for phonic chronometer and chattering contact receiver'. Size 8cm x 11cm.

48) 'Sound ranging equipment for phonic chronometer and chattering contact receiver'. Size 11cm x 8cm.

49) '3 dial phonic chronometer, Shandon 1919'. Size 8cm x 11cm.

50) '3 dial phonic chronometer, Shandon 1919'. Size 11cm x 8cm.

51) '3 dial phonic chronometer, Shandon 1919'. Size 8cm x 11cm.

52) 'Chatter with synchronous contact rectifier, Shandon 1919-1920'. Size 8cm x 14cm.

53) 'Liquid Filled Hydrophone for Deep Sea Use'. Size 15cm x 10cm.

54) Hydrophone. Size 14cm x 10cm.

55) '3-valve amplifier from a German submarine at Harwich Nov 1918'. Size 14cm x 11cm.

56) ' 'Daisy' current meter'. Size 9cm x 16cm.

57) 'Daisy current meter'. Size 9cm x 16cm.

58) 'HII buoyant mine'. Size 15cm x 11cm.

59) 'Depth indicator'. Size 15cm x 11cm.

60) 'Specimen of cable'. Size 10cm x 13cm.

61) 'CRO explosion recording gear'. Size 15cm x 11cm.

62) 'Gyro'. Size 9cm x 7cm.

63) 'Asdic dome'. Size 11cm x 15cm.

64) 'Asdic dome framework'. Size 11cm x 15cm.

65) 'Sound ranging director'. Size 10cm x 14cm.

66) 'Sound ranging director'. Size 11cm x 15cm.

67) 'Visual direction indicator'. Size 10cm x 12cm.

68) 'Visual direction indicator (unipivot moving coil)'. Size 11cm x 14cm.

69) 'Unipivot moving coil - top view'. Size 11cm x 13cm.

70) 'Experimental shock receiver'. Size 15cm x 10cm.

Plus 36 untitled photographs.