Title |
Just Jaunting Round |
Identifier |
jaunt.xml |
Subject |
Microphotography; Fossils; Black widow spider |
Description |
Manuscript by Frank A. Beckwith, giving an account of his experimentation with microphotography to study fossils; followed by an essay entitled, "Experiments on the Black Widow, resumed in 1935" |
Personal Names |
Beckwith, Frank Asahel, 1876-1951 |
Spatial Coverage |
Delta (Utah) |
Creator |
Beckwith, Frank Asahel, 1876-1951 |
Publisher |
Hosted by J. Willard Marriott Library, University of Utah |
Date |
1937-07-04 |
Type |
Text |
Format |
application/pdf |
Source |
Just Jaunting Round |
Language |
eng |
Relation |
Frank Asahel Beckwith Collection |
Rights Management |
Digital image copyright 2003, Beckwith Family. All rights reserved |
Holding Institution |
Delta City Library |
Source Material |
Just Jaunting Around Among Things Wee |
Source Physical Dimensions |
22cm x 29cm |
ARK |
ark:/87278/s699136q |
Setname |
dc_bpc |
ID |
126247 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s699136q |
Title |
Microscopes and camaras |
Identifier |
019.tif |
Subject |
Photography |
Description |
"It was then put under the microscope, 12 1/2 times occular, times a 21 times objective, thus magnifying at 10 inches projection distance 262 1/2 times; BUT..." |
OCR Text |
Show ohosen as in that portion of the print the color 1s very light the tone nesrly white or at least the lightest color of the whole and the dots here the amallest am the ferthest apert wuld esimate that the sereen used was probably 198 line or R0 line which 1s the teohnical way of saying that the glass sereen held before the photographic plate was rulwith lines either 198 to the inch or 200the tneh It was then put under the miorsoope 12 imes ocoular times81 times objeotive thus magnifying at 10 inches proJeotion distance 262 times BUT fouble the projeotion a1stano 1t would magaify double that or 862 or 525 times That is fram the top of the microseope tube to the 11nmused the camera was extended ebout 22 inohes It shows in the finishprint aslerge red dot in the ceaterthe print withdeep blue but smeller dot just oa the edge of the red one am withblack dot intensely black in the larer left hend cormer the field the high megificstion has lost the yellow pattern which would be Tetained however at about half or less of the high magnifioation FOOLS THE EYE The spot chosen in the half tone was in the 11ght yellow yellow only siowed to the unaided vision That is all that the unaided eye saw in the half tone was the yellow the yellow of the baokground It could not disoern so mall were they tiat on this yellow even in what appeared pur light yellow tone or neara pure tone there wasTelatively le ge dob of RED smear of BLgE rubbing against the edge of the red and very mimute dots of BLAGK all these other colars OF whut the eye thought was Digital image 2003 Beckwith Family Al rights reserved |
Type |
Image |
Format |
application/pdf |
Format Creation |
image/tiff |
Source |
Just Jaunting Round Scrapbook |
Coverage |
Utah |
Archival Resolution |
Archival TIFF: 3000 x 4600 |
Low Resolution |
JPEG: 800 x 600 |
Bit Depth |
8-bit |
Scanning Device |
Creo-Scitex Eversmart Jazz+ flatbed scanner |
Setname |
dc_bpc |
ID |
124408 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s699136q/124408 |