from inadequate supervision and the acute shortage of qualified staff aggravated by sickness precluded any possibility of seconding any other officer from this division.
179. During the year the control points in the three areas being surveyed were increased by the addition of twenty-four minor triangulation stations. An additional 459 permanent survey marks were laid down involving thirty-two miles of main and minor traverse.
180. On the detail survey work 4,050 acres were surveyed involving over 146 miles of detail traverse. Thirty-seven sheets were completed, making a total of sixty-seven of these basic survey sheets available. Field work was hindered on sixty days due to weather conditions and other causes.
181. Because of the difficulty of supervision, the Field Headquarters of this survey was brought into Kowloon.
DRAWING OFFICE
182. Fifty-seven sets of Sale Plans, 385 sets of Lease Plans and 342 sets of Surrender Plans were prepared. Thirteen miscellaneous tracings were made and 23,982 ammonia prints were produced. One new 200 feet to 1 inch scale tracing of Hong Kong Island and two of Kowloon were made.
183. The 'Copycat' printing equipment produced 3,885 prints, and 729 prints were produced by cyclostyle. 307 prints were made on the 'Apollo' machine on 'Deltaline' paper.
184. The Photostat reproduction equipment produced 2,645 prints from 918 negatives.
185. The Photographic Section also produced 1,675 enlargements to various scales for Survey Section, Town Planning Section and other Government offices. Progress reports and record photos for the whole Department were also made involving 1,290 negatives; twenty-seven contact prints were made, as well as 197 miscellaneous reflex prints from forty-one negatives.
186. In addition the newly opened Kowloon Drawing Office produced 2,133 prints by the 'Apollo' machine on 'Deltaline' paper, eight miscellaneous tracings and thirty-eight by cyclostyle.
187. Special plans were prepared to show the Kai Tak Airport flight approach. Maps were also made for the Public Relations Officer and the Department of Commerce and Industry for their Annual Reports and trade magazine. There was a very heavy demand for layout
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