| Note: | Inneholder følgende innbundne hefter:
Part I:
Hefte 1: The fortress system of range-finding and observation
" 2: Director no. 10
" 3: The fortress plotter no. 1
" 4: The encoder, fall-of-shot
" 5: Instruments in the battery observation post-general
" 6: The indicator, time-of-flight
" 7: The decoder, fall-of-shot
" 8: Stereoscopic telescopes
" 9: Instruments used at throw-of firing
" 10: Travel correction calculator-watkin transmission in conjunction with, ballistic correction calculator and disc predicting (course and speed)
" 11: The fortress plotter no.2
" 12: Drill for coast artillery searchlights
Part II:
Hefte 1: Drill for depression range-finders
" 2: Drill for depression position finders
" 4: Drill for artillery range-finders nos. 4 to 10 |