| Ship, nation, owners | Voyage identification number | 10885 |
| Voyage in 1999 CD-ROM | Yes | |
| Vessel name | Neptunus | |
| Flag | Netherlands | |
| Flag IMP | Netherlands | |
| Place constructed | ||
| Year constructed | ||
| Place registered | ||
| Year registered | ||
| Rig | Galjoot | |
| Tonnage | ||
| Standardized tonnage IMP | ||
| Guns mounted | ||
| Vessel owners | ||
| Voyage Outcome | Particular outcome of voyage | Condemned - Americas after disembarkation |
| Outcome of voyage for slaves IMP | Slaves disembarked in Americas | |
| Outcome of voyage if ship captured IMP | Natural hazard | |
| Outcome of voyage for owner IMP | Original goal thwarted (natural hazard) | |
| African resistance | ||
| Voyage Itinerary | Place where voyage began IMP | Texel |
| First place of slave purchase | Sierra Leone estuary | |
| Second place of slave purchase | Windward + Ivory + Gold + Benin | |
| Third place of slave purchase | Elmina | |
| Principal place of slave purchase IMP | Elmina | |
| Places of call before Atlantic crossing | ||
| First place of slave landing | Suriname, place unspecified | |
| Second place of slave landing | ||
| Third place of slave landing | ||
| Principal place of slave landing IMP | Suriname, place unspecified | |
| Place where voyage ended | ||
| Region where voyage began IMP | Netherlands | |
| First region of slave purchase | Sierra Leone | |
| Second region of slave purchase | Other Africa | |
| Third region of slave purchase | Gold Coast | |
| Principal region of slave purchase IMP | Gold Coast | |
| First region of slave landing | Dutch Guianas | |
| Second region of slave landing | ||
| Third region of slave landing | ||
| Principal region of slave landing IMP | Dutch Guianas | |
| Region where voyage ended | ||
| Voyage Dates | Year arrived with slaves IMP | 1748 |
| Date voyage began | 1746-10-17 | |
| Date trade began in Africa | 1746-12-24 | |
| Date vessel departed Africa | 1747-07-13 | |
| Date vessel arrived with slaves | 1748-12-26 | |
| Date vessel departed for homeport | ||
| Date voyage completed | ||
| Voyage length, homeport to slaves landing (days) IMP | 801 | |
| Middle passage (days) IMP | 532 | |
| Captain and Crew | Captain's name | Harmensz, Jan Hendrik Dahlboom, Olaus |
| Crew at voyage outset | ||
| Crew at first landing of slaves | ||
| Crew deaths during voyage | ||
| Slave (numbers) | Number of slaves intended at first place of purchase | |
| Slaves carried from first port of purchase | 5 | |
| Slaves carried from second port of purchase | ||
| Slaves carried from third port of purchase | ||
| Total slaves embarked | ||
| Total slaves embarked IMP | 254 | |
| Number of slaves arriving at first place of landing | 171 | |
| Number of slaves disembarked at first place of landing | 161 | |
| Number of slaves disembarked at second place of landing | ||
| Number of slaves disembarked at third place of landing | ||
| Total slaves disembarked IMP | 171 | |
| Slave (characteristics) | Percentage men IMP | |
| Percentage women IMP | ||
| Percentage boys IMP | ||
| Percentage girls IMP | ||
| Percentage male IMP | ||
| Percentage children IMP | ||
| Sterling cash price in Jamaica IMP | ||
| Slave deaths during middle passage IMP | ||
| Mortality rate IMP | ||
| Source | Sources | Postma,304-401: Postma, Johannes Menne, The Dutch in the Atlantic Slave Trade, 1600-1815 (Cambridge, 1990).
Goslinga,610-47: Goslinga, Cornelis Ch., The Dutch in the Caribbean and the Guianas, 1680-1791 (Assen, 1985). GAA,NA,12799:482,9/10/49: Amsterdam City Archives |