| Year | Month | Day | Age | Particulars |
| 1838 | 4 | 30 | - | Born at Bangalore, Madras District, India |
| 1856 |
1 |
|
17 |
Entered the Practical Class of the Royal Military Academy at Woolwich |
| | 12 | 20 | 18 | Gazetted to a Lieutenant in the Royal Enginners |
| 1857 | 3 | 1 | | Entered the School of Military Engineering at Chatham |
| 1858 | 1 | 6 | | Graduated the School |
| 1858 | 1 | 7 | | Company Officer at Portsmouth, and to the Isle of Wight |
| 1858 | 10 | 9 | 20 | Appointed to the British Columbia Expedition under Col. R.C. Moody, R.E. |
| | 12 | 17 | | Left England for British Columbia |
| 1859 | 4 | 12 | | Arrived at Port Esquimalt, British Columbia |
| 1863 | 10 | 7 | 25 | Married |
| | 12 | 29 | | Returned to England from British Columbia |
| 1864 | 3 | 1 | | Appointed to the Ordnance Survey in Tunbridge |
| 1866 | 3 | 1 | 27 | Promoted to second Captain |
| 1868 | 10 | 24 | 28 | Participated in the Survey of Sinai Peninsula |
| 1869 | 5 | 30 | 31 | Returned to England from Sinai Peninsula |
| 1873 | 12 | 1 | 35 | Promoted to Major |
| 1873 | 12 | 11 | | Recommended to the Fellow of Royal Astronomical Society |
| 1874 | 6 | 27 | 36 | Left for New Zealand for observing the Transit of Venus |
| 1875 | 6 | 5 | 37 | Returned to England from New Zealand |
| 1875 | 11 | 2 | | Left for Barbados as the Resident Engineer |
| 1876 | 3 | | | Appointed to serve as Aide de Camp to the Governor of the Windward Island under Mr. Pope Hennessy |
| 1877 | 12 | | 39 | Appointed to the Executive Engineer at Hongkong |
| 1878 | 1 | 29 | | Left for Hongkong via England |
| | 4 | | 40 | Appointed to the A.D.C. to the Governor, Sir Pope-Hennessy of Hongkong |
| 1879 | 10 | 8 | 41 | Visited Japan for the first time |
| 1880 | 7 | 30 | 42 | 〃 for the second time |
| 1881 | 7 | 1 | 43 | Promoted to Brevet Colonel |
| 1881 | 10 | 24 | | Visited Japan as the Attache to the grandsons of Queen Victoria |
| 1882 | 12 | 19 | 44 | Visited Japan on his way back to England |
| 1883 | 2 | 15 | | Employed for 3 months as the Advisory Engineer to the Kanagawa Prefecture for Waterworks in Yokohama |
| | 4 | 11 | | Drew up and submitted the Report of Yokohama Waterworks (1st Report) |
| | 5 | 31 | 45 | 〃 (2nd Report) |
| | 〃 | | | Left for England |
| 1883 | 7 | 10 | | Appointed to Commanding Royal Engineer of Manchester District |
| 1885 | 2 | 22 | | |
| 1885 | 4 | 11 | | Arrived Japan to superintend the Yokohama Waterworks |
| | 7 | 1 | 47 | Promoted to Colonel R.E. |
| 1887 | 1 | 25 | 48 | Drew up and submitted "Report and Estimate of a Project for constructing a Commercial Harbour at Yokohama |
| | 5 | 6 | 49 | Drew up and submitted the Report of the Water Supply for Osaka |
| | 6 | 18 | | Drew up and superintended the Water Purifying Facility for Oji Paper Mills |
| | 8 | 19 | | Participated in the observation of Total Sun Eclipse at Shirakawa |
| | 9 | 12 | | Drew up and submitted the Report & Estimate for Waterworks at Hakodate |
| | | 21 | | Opening Ceremony of Yokohama Waterworks at the Intake was held |
| | 10 | 1 | | Retired from the Army as the Honorary rank of Major General |
| | | 17 | | The Water Supply service for City of Yokohama started |
| 1888 | 1 | 14 | | Drew up and submitted the Report and Estimate of Waterworks in Tokyo |
| | 3 | | | Drew up and submitted the Report and Estimate of Waterworks in Kobe |
| | 6 | 30 | 50 | Appointed to the Honorary Advisory Engineer for the Public Work Bureau of Ministry of Home Affairs |
| | 7 | 21 | | Participated in the Investigation for the Bandai San Eruption |
| | 9 | 6 | | Drew up and submitted the Report and Estimate of Yokohama Harbourworks |
| 1889 | 3 | 31 | | Drew up and submitted the Report and Estimate for Docks in Yokohama |
| | 8 | 2 | 51 | Appointed to the Superintendence for the Construction of Yokohama Harbour |
| 1890 | 1 | 12 | | Left for England to investigate the availability of the necessary materials/equipment for the construction of Yokohama Harbour |
| | 5 | 25 | 52 | Returned to Japan from England |
| 1891 | 7 | | 53 | Drew up and submitted the design of Water Supply for a large irrigation siphon for Misakamura in Hyogo Prefecture |
| | 10 | | | Participated in the investigation of the Mino/Owari Earthquake |
| 1893 | 2 | 10 | | Died in Tokyo |