GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Compiled by the Geographical Section, General Staff 1934. Drawn and heliographed at the Ordnance Survey 1934. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 3rd ed. "Compiled by the Geographical Section, General Staff, 1929. Field revision by R.E. Survey Section 1935-37. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
Donated by Mr. Glory Ling (Hong Kong), October 2015.
GSGS (Series) ; 3868. 5th ed. "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Revised and reproduced by War Office, 1952." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1931. Drawn and heliographed at the Ordnance Survey 1931, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939." "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Additional names 1934. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1928-9. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Compiled by the Geographical Section, General Staff, 1929. Field Revision by R.E. Survey Section, 1935-37. Drawn and heliographed at the Ordnance Survey 1929, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 4th ed. "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1952." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Compiled by the Geographical Section, General Staff 1929. Drawn and heliographed at the Ordnance Survey 1929. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Revised 1938. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1930. Drawn and heliographed at the Ordnance Survey 1930, 1939. Photolithographed by O.S. 1945." World polyconic projection.
GSGS (Series) ; 3868. 2nd ed. "Minor corrections 1939. (Grid change only, 1945.)" "Air Survey by the R.A.F. and ground control by 2nd Colonial Survey Section, R.E., 1924-25. Field Revision by R.E. Survey Section, 1935-37. Plotted by the Geographical Section, General Staff, 1931. Drawn and heliographed at the Ordnance Survey 1931, 1939. Photolithographed by O.S. 1945." World polyconic projection.