This gelatin-silvered photograph shows an early version of the pantograph card punch that Herman Hollerith patented in 1890. The photograph is matted, and has a glass cover and wooden frame. Four ...

Quick Facts 赫尔曼·霍利里思Herman Hollerith, 出生 ... 霍利里思制表机和分类机 霍利里思打孔卡 美国人口调查局使用着其制表机 离开麻省理工学院的教授工作后开始为美国人口调查局工作，在约翰·肖·比林斯的敦促下， [4] 赫尔曼·霍利里思发明了使用电气连接触发 ...

On the opposite side are contacts for electrical wires. Twelve nails in the board on top assure that one switch can only meet one nub. Holes at opposite ends of the board allow it to be attached to a ...

She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor, BoardingArea, The Points Guy and more. Her redemptio... With more than 50 million redeemed miles ...

Always dreaming about the next destination, credit cards specialist Barbara King is an avid traveler who optimizes her adventures through the use of points and miles. Barbara has earned and ...

Rewards cards with cash-back bonuses and flashy perks are great — if you have good credit. But if you have a less-than-stellar credit score (or even no credit history), a secured credit card can ...

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Below are our staff picks for the year's best prepaid and debit cards. Unlike traditional credit cards, these cards require that cardholders load funds onto the card before using. Disclosure: When you ...