Rectangular Extension Table

rectangular extension table

  • (of a solid) Having a base, section, or side shaped like a rectangle

  • Denoting or shaped like a rectangle

  • Placed or having parts placed at right angles

  • having four right angles; "a rectangular figure twice as long as it is wide"

  • orthogonal: having a set of mutually perpendicular axes; meeting at right angles; "wind and sea may displace the ship's center of gravity along three orthogonal axes"; "a rectangular Cartesian coordinate system"

  • In Euclidean plane geometry, a rectangle is any quadrilateral with four right angles. The term is occasionally used to refer to a non-square rectangle. A rectangle with vertices ABCD would be denoted as .

  • A part that is added to something to enlarge or prolong it; a continuation

  • A room or set of rooms added to an existing building

  • act of expanding in scope; making more widely available; "extension of the program to all in need"

  • a mutually agreed delay in the date set for the completion of a job or payment of a debt; "they applied for an extension of the loan"

  • propagation: the spreading of something (a belief or practice) into new regions

  • The action or process of becoming or making something larger

  • Postpone consideration of

  • postpone: hold back to a later time; "let's postpone the exam"

  • a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs; "it was a sturdy table"

  • Present formally for discussion or consideration at a meeting

  • a set of data arranged in rows and columns; "see table 1"

871-873 Marcy Place

871-873 Marcy Place

Longwood Extension Historic District, Longwood, Bronx

This pair is identical to Nos. 861 and 863 Macy Place. The facades of Nos. 871 and 873, however, are unpainted except for the stoops and basement trim of No. 873. The brick color is orange. No. 873 has aluminum storm windows on the upper two floors, and the arched tops of the second story windows are filled in with panels.

This two-story-over-basement pair has angular bays and is faced with Roman brick, now painted, limestone trim on the first and second floors, and brownstone trim on the basement level. All trim, as well as the brownstone stoops, is now painted- All windows are wood with one-over-one sash, now with aluminum storm windows.

There is a brownstone water table separating the first and basement stories. Basement windows have undecorated flush lintels and plain sills. The basement door grille is missing on No. 863. First floor windows are rectangular and have a wide lintelcourse and a sillcourse on the projecting bays. The two doorway9 are topped by molded bracketed lintels, with carved vertical components extending up along the transom and connecting with a molded horizontal band. Double doors are wood-framed and glazed.

Second floor windows are round arched and have drip moldings with projecting scrolled fluted keystones and a sillcourse. The arched tops of the windows have been filled in by storm window panels. Aluminum awnings have been added to the main doorway and central window at the basement level on No. 861.

Historic District description:

The Longwood Historic District Extension consists of a portion of a blockfront adjacent to the Longwood Historic District, which was designated in July 1980. The history of development of this blockfront (the north side of Macy Place) is similar to that of the Longwood Historic District. The developer of Macy Place was Theodore Macy, after whom the street is named. Along with the developers of the original Longwood Historic District, George B. Johnson and C. Ball, the Macy family contributed to one of the early urbanization efforts in Morrisania, which had been sparsely populated until the late 19th century. The plans for the IRT subway between the Bronx and Manhattan spurred this early rowhouse development; the completion of the subway and massive population influx in the early years of the 20th century resulted in subsequent apartment house construction, which left the blocks of the Longwood Historic District and Macy Place as one of a handful of isolated, low-scale, rowhouse districts amidst the high density apartment buildings more typical of this section of the Bronx.

The Longwood Extension is clearly linked to the original Longwood Historic District by the design of its buildings. The five nearly identical double houses that make up the Extension (there is also one freestanding house built for John McGrath in 1903 by James F. Meehan) are similar to those that comprise most of the original district.

Designed by the Architect Warren C. Dickerson in 1900, the double houses in the Longwood Historic District Extension exhibit, as do those by Dickerson in the previously designated district, elements of the neo-Renaissance style with an echo of the Romanesque Revival.

The former is represented by the use of the masonry bay, concentration of ornament at doorways, Composite and Corinthian columns, and other classical details. The latter style is reflected by a slight heaviness of proportion and the use of rough-cut stone and arched windows.

The only significant stylistic difference between the buildings in the Extension and buildings in the previously designated district is the lack of false mansard roofs in the Extension.

- From the 1983 NYCLPC Historic District Designation Report

Canon Extension Tube EF12 II

Canon Extension Tube EF12 II

I recently purchased a Canon 12mm Extension tube after some research and here our my initial thoughts about it.
I had the option to go for either the Canon or Kenko set of 3 tubes as I hear they are both very good. The Kenko set was around ?120 twice the price of this 12mm tube but the same as the canon 25mm tube. I opted for the canon to save spending double the amount on something I wasn't sure I'd like using and for the reassurance the Canon components would provide a reliable connection.

For those who aren't aware of what an Extension tube does it essentially drops the minimum focus of your lens proving a bigger subject in the frame as long as your able to get close enough to the subject. It's main use is for macro work and also for telephoto lenses where your close to your subject. For example it lowers my 400mm F5.6's minimum focus down from 3.5meters to 2.9meters. So if a small bird was 3meters away from me say at a feeding station from a hide I would be able to focus with the tube on but would have to move back to 3.5meters away if I was using the lens as normal. Hope that all makes sense.

There are some limitations with the tube in that your maximum focus distance is reduced so with the tube on it's dropped to around 13meters. Also you loose a small amount of light a 1/3rd of a stop with the 12mm I'm told and more with bigger tubes but the camera will compensate automatically so don't worry about that. Also I am told there is a small loss in AF Speed or accuracy but I've not noticed that even from indoor use.

I should also mention the tube has no glass in it. It's function is just to push the lens away from the camera. The Canon and kenko as well as some others are auto tubes and will allow for normal camera functions to be used with the tube but the ones that are very cheap such as ?10 ones do not allow this and from experience are useless unless your lens has an aperture ring and EF lenses don't.

I've used the tube so far indoors and have found it increases the subject size nicely. It'll allow for more frame filling shots of very small bugs with my Sigma macro or detail on bigger subjects and on the 300mm F4 L IS it gives an image equal to using the 1.4x extender on the lens for macro but without the hit in quality, as it allows for the minimum focus to drop from 1.5m to 1.34m.

Also I found it works fine with the 1.4x extender attached aswel even though canon do not recommend this. The subject size is increased even further with this setup and quality from testing is still excellent.

Hopefully I'll get to test it out soon on all my lenses and see if the results are as good on real life subjects. If anyone has any questions about it feel free to ask, it's only recently I fully understood what these tubes did! I hope you enjoyed reading about this interesting purchase.

Canon 7D | Sigma 105mm Macro | iso 100 | Flashed

rectangular extension table

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