two unidentified graphs
Date1930s-1970s
Inventory Number1998-1-0974
ClassificationChart
Subject
Dimensions0.1 x 43.3 x 56 cm (1/16 x 17 1/16 x 22 1/16 in.)
Material
DescriptionThese are two unidentified graphs drawn on a single sheet of Cartesian graph paper. The horizontal axis of each graph is labeled with the months of the year. The vertical axis of each graph is labeled with times of the day in Eastern Standard Time (EST). On the graph on the left these range from 0000 to 1200 (top to bottom); on the graph on the right these range from 1200 to 2400 (top to bottom)
Below the graph on the left are written a series of times for "SUNRISE"; below the graph on the right are a series of times for "SUNSET".
Within the cells of each graph are various numbers. A line of numbers also appears below each graph. To the right of the graphs is a table labeled "TOTALS", with columns for "A.M." (left) and "P.M." (right), also filled in with numbers.
These graphs may be meteorological or astronomical.
Below the graph on the left are written a series of times for "SUNRISE"; below the graph on the right are a series of times for "SUNSET".
Within the cells of each graph are various numbers. A line of numbers also appears below each graph. To the right of the graphs is a table labeled "TOTALS", with columns for "A.M." (left) and "P.M." (right), also filled in with numbers.
These graphs may be meteorological or astronomical.
Signedunsigned
Curatorial Remarkschart includes record for sunrise/sunset, EST time, and day
Blue Hill Meteorological Observatory
Date: 1900-1920
Object number: 1998-1-1051e
Blue Hill Meteorological Observatory
Date: 1934
Object number: 1998-1-1434
Friez Instrument Division, Bendix Aviation Corporation
Date: circa 1956
Accessories: one used Taylor Instrument Companies paper chart and cardboard box; recording charts, Air Ministry, Meteorological Office, Form 4213, Barogram (18); one used "Self Recording Thermometer" chart. Richard Brothers Manu. PS Paris. "Blue-hill Meteorological Observatory"; one set of "Instructions for the Installation of Charts", Bendix Aviation Corporation, Friez Instrument Division, Baltimore 4, Maryland; Friez I.B. No. 165/Friez Part No. 509673-B
Object number: 1996-1-0190b
American
Date: dated 1933
Object number: 1998-1-0973
Blue Hill Meteorological Observatory
Date: 1909
Object number: 1998-1-1051f
Boston and Albany Railroad
Date: early-twentieth century
Object number: 1998-1-0984g
Davis & Son
Date: 1843-1873
Accessories: small metal key
Object number: 1998-1-0606