| | Thumbnail | | Creator | Date | Title / Author / Date / Location | Price | | | Description |
| 1013 |  | Details | Taylor, Janet | 1850 |
| Trade Card for Janet Taylor, early author and teacher of navigation |
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Taylor, Janet |
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| 1850 |
| LOC:0 |
| $0.00 | Taylor--Janet | Trade-Card-for-Janet-Taylor--early-author-and-teacher-of-navigation | SOLD<br></br>
Rare trade card ca. for Janet Taylor (née Ionn) who operated a Nautical Academy and Warehouse at 104 Minories in London "opposite the rail road" from 1835 - 1859. Taylor advertised as a "Mathematical Instrument, Chart, Map, & Bookseller".
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Her academic and scientific achievements are many, particularly for a female in the mid-19th century. According to one online source, Janet Taylor was "...the only woman in the 2,200 entries in <i>The Mathematical Practitioners of Hanoverian England 1714-1840". </i> Taylor invented the Mariner's Calculator in 1834 which enabled navigators to find <div class="indenttextblock">" ‘the true Time’,’the true Altitude’, ‘the true Azimuth’, and ‘Latitude by double Latitudes and elapsed Time’". </div><a href="https://middlesavagery.wordpress.com/2012/10/16/archaeology-ada-lovelace-day-mrs-janet-taylor-and-the-dividers/" target="_blank">(Internet)</a>.
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She was recommend by the British Admiralty, Trinity House, the British East India Company, and was an agent for sales of Admiralty charts. Taylor authored "Epitome of Navigation and Nautical Astronomy" published through 11 editions from 1842 and 1858.
(Bruck, Mary. "Women in Early British and Irish Astronomy: Stars and Satellites". pp. 52-54. Springer, 2009. <a href="https://books.google.com/books?id=12CnfM1u32kC&pg=PA52&lpg=PA52&dq=janet+taylor+navigation+warehouse&source=bl&ots=TYT5GXCUVb&sig=6wY5YQDprYF3HH7K-t0RnzqdVg8&hl=en&sa=X&ved=0ahUKEwjEiZGnrK_KAhXK7SYKHTxvAHYQ6AEIKTAB#v=onepage&q=janet%20taylor%20navigation%20warehouse&f=false" target="_blank">Internet</a>). |