第66章知识(2 / 2)

“ahcaptaiunderstand!“criedherbert“asthedistancefrothesticktothepoleistothedistancefrothesticktothebaseofthecliffistheheightofthepoletotheheightofthecliff“

利用木杆量两段水平距离木杆沙滩高度十英尺整第段距离从棍插木杆相距十英尺第段距离从棍峭壁底部相距百英尺

15:500=10:x

500x10=5000

6000÷15=3333

由此花岗石峭壁高度百十英尺

theohorizontaldistanceserefoundoutbyeanfthepolehoselengthabovethesandasexactlytenfeet

thefirstdistanceasfifteenfeetbeeenthestickandthepceherethepoleasthrttothesand

thesenddistancebeeenthestickandthebottoofthecliffasfivehundredfeetfrohichiasprovedthatthegranitecliffeasured333feetheight

圆规两脚距离十字架和水平线角距首先把圆周分成百十等分非常精确把圆规角度落圆周结果10度角度加十字架距离南极27度再减观察候所峭壁离海高度值37度角南极与水平线相距90度从90度减53度剩37度因此赛勒斯•哈顿测量结论林肯岛南纬37度线果把计算精确程度估计内假设误差度海岛位置定南纬35度与40度

赛勒斯•哈顿把晚做仪器拿圆规两脚距离十字架和水平线角距首先把圆周分成百十等分非常精确把圆规角度落圆周结果10度角度加十字架距离南极27度再减观察候所峭壁离海高度值37度角南极与水平线相距90度从90度减53度剩37度因此赛勒斯•哈顿测量结论林肯岛南纬37度线果把计算精确程度估计内假设误差度海岛位置定南纬35度与40度

cyrhardgthentookthestruenhichhehadadetheevengbeforethespacebeeenitlegsgivgtheangurdistancebeeenthestaralphaandthehorizonheeasuredveryexactlytheopengofthisangleonacircuferencehichhedividedto360ealpartsnothisanglebyaddgtoittheenty-sevendegreeshichseparatedalphafrotheantarcticpoleandbyreducgtotheleveloftheseatheheightofthecliffonhichtheobservationhadbeenadeasfoundtobefifty-threedegreesthesefifty-threedegreesbegsubtractedfroniydegrees--thedistancefrothepoletotheeator--therereaedthirty-sevendegreescyrhardgncdedthereforethatllnisndassituatedonthethirty-seventhdegreeoftheutherntitudeortakgtonsiderationthroughtheiperfectionoftheperforanceanerroroffivedegreesthatittbesituatedbeeenthethirty-fifthandthefortiethparallel

按理当影长度缩最短候应该正午十点钟仔细影末端找影逐渐缩短又始伸长刹赛勒斯•哈顿把标杆偏向和太阳相向使影长因此它变化更加容易清日晷针愈长针点移动愈加容易辨别标杆影相当于日晷指针

facttheoenhenthisshadoouldreachitsiuoflengthouldbeexactlyelveo'clockandiouldbeenoughtoatchtheextreityoftheshadoastoascertathestanhenalterhavgsuessivelydiisheditbegantolengthenbyclghissticktothesideoppositetothesuncyrhardgadetheshadolonrandnseentlyitdificationuldbeoreeasilyascertaedfactthelonrtheneedleofadialistheoreeasilycantheoveentofitspotbefolloedtheshadoofthestickasnothgbuttheneedleofadial

般情况金属埋藏候质并纯粹它通常和氧或硫化合赛勒斯•哈顿次带回两种标本样种碳化磁铁矿另种黄铁矿叫做硫化铁因此必须先用炭使氧化铁原除氧才纯粹铁原程用炭把矿石烧温度高候进行用迅速简便土法(它优点通工序把铁矿石炼成铁)用鼓炉——第步使铁矿石熔化排除和矿石化合百分至炭使它变成铁

etalsarenotnerallyfoundthegroundapurestatefortheostparttheyarebedithoxynorsulphursuchasthecaseiththeospecienshichcyrhardghad

oughtbackoneofagicironnotcarbonatedtheotherapyritealcalledsulphuretofironiasthereforethefirsttheoxideofironhichtheytreduceithalthatistosaytridoftheoxyntoobtaitapurestatethisreductionisadebysubjectgtheoreithaltoahighteperatureeitherbytherapidandeasycatahodhichhastheadvantaoftransftheoretoironasgleoperationorbythebstfurnacehichfirstseltstheorethenchansittoironbycarrygaaythethreetofourpercentofalhichisbedithit

毫费捡炭和铁矿石先把铁矿石打碎用把铁矿石表层杂质擦干净把炭和铁矿石层夹层堆象木炭工用木柴烧炭样样鼓机作用炭变碳酸又变成氧化碳变成氧化碳程使氧化铁原放氧

工程师样进行工作事先窑造根陶土管把它装海豹皮箱端把箱装矿石堆附近工程师用木架、植物纤维做绳和秤锤做成鼓机把量空吹立体温度提高空促进化学变化定候冶炼纯铁

thealaselstheoreasllectedithouttroubleonthesurfaceofthegroundtheyfirst

oketheoretolittlepiecesandcleansedtheiththehandfrotheipuritieshichiledtheirsurfacethenandoreerearrandheaandsuessiveyersasthecharal-burnerdoesiththeoodhichheishestocarbonizethisayunderthefenceoftheairprojectedbytheblog-achethealouldbetransforedtocarbonicacidthentooxideofcarbonitsebegtoreducetheoxideofironthatistosaytoriditoftheoxyn

ththeenerproceededthebellofsealskfurnishedatitsextreityithanozzleofcyhichhadbeenpreviolyfa

icatedthepotterykilnasestablishedneartheheapoforegtheechanishichnsistedofafraerdffiberandunterpoisehethretotheassanabundanceofairhichbyraisgtheteperaturealncurrediththecheicaltransforationroducetiepureiron

赛勒斯•哈顿打算炼制种因炼铁质纯进行项工作事先用陶土做坩埚把铁和炭末放坩埚加热结果钢炼成

种钢论冷或热情况任摆布于用锤钢进行加工纳布和潘克洛夫精明指导把钢烧红突浸入水制许硬度强斧

iastheshichcyrhardgtendedtofeashepossessedironapurestatehesueededbyheatgtheetalithpoderedacruciblehichhadpreviolybeenanufacturedfrocysuitableforthepurpose

hethenorkedthissteelhichisalleablebothhenhotorldiththehaernebandpencroftcleverlydirectedadehatchetshichheatedred-hotandpndsuddenlytoldateraciredanexcellentteper

建桥目最迫切工程砍伐选木除杈枝做成横梁、托架和厚板座桥感恩河右岸固定左岸却活动样通平衡量式把它吊升正某闸桥样

项工程当相当艰巨虽领导花少因慈悲河宽达十英尺必须河床打桥桩才支撑桥板打桩必须安装打桩机桥桩应该形成两弓架结构使桥够承受重量

the

idastheosturnorktreesereselectedcutdonstrippedoftheir

anchesandcuttobeasjoistsandpnkstheendofthe

idhichrestedontherightbankoftheercyastobefirbuttheotherendontheleftbankastobeovablethatitightberaisedbyeanfaunterpoiseasecanal

idsareanad

thisascertalyansiderableorkandthoughiasskillfullynductedittooketiefortheercyatthispceaseightyfeeideiasthereforenecessarytofixpilesthebedoftheriverastostathefloorofthe

idandestablishapile-drivertoactonthetoofthesepileshichouldthforoarchesandallothe

idtosupportheavyloads

快塞勒斯哈顿动制造玻璃切条件具备最难制造工具吹玻璃吹管种英尺长铁管它端用蘸液体玻璃潘克洛夫把条簿薄铁片卷成枪筒形做成根随使用吹管

3月28日炉烧制灼热百分沙粒十分垩十分硫酸钠掺两分煤屑构成种制玻璃用物质混和放坩埚当炉高温使原料化液体候更确切变成胶状物赛勒斯•哈顿用吹管蘸预先准备块金属板滚滚吹管做适合于吹形状把吹管递给赫伯特教吹另外端

thetooltheanufactureofhichpresentedtheostdifficultyasthepipeofthegss-akeranirontubefiveorsixfeetlonghichllectnoneendtheateriastateoffionbutbyeanfalongthpieceofironrolleduplikethebarrelofagunpencroftsueededakgatubeonreadyfore

onthe28thofarchthetubeasheatedahundredpartfsandthirty-fiveofchalkfortyofsulphateofdaixedithoorthreepartfpoderedalposedthesubstancehichaspcedcrucibleshenthehighteperatureoftheovenhadreducedittoaliidorratherapastystatecyrhardgllectediththetubeaantityofthepaste:heturneditaboutonaetalptepreviolyarrandastogiveitaforsuitableforblogthenhepassedthetubetoherberttellghitobloattheotherextreity

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