Insects captured in flight
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Kristalldetektor (Kernstück eines Radios der Anfangszeit), hergestellt von meinem Urgrossvater in den 1920er Jahren. Der Kristalldetektor ist eine frühe Form einer Schotky-Diode und diente zur Demodulation des empfangenen Signals. (Eine Aufsicht ist hier: www.flickr.com/gp/165543166@N06/H8j298)
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Crystal detector (core of a radio of the early days), made by my great-grandfather in the 1920s. The crystal detector is an early form of a Schotky diode and was used to demodulate the received signal. (A top view is here: www.flickr.com/gp/165543166@N06/H8j298)
Kristalldetektor (Kernstück eines Radios der Anfangszeit), hergestellt von meinem Urgrossvater in den 1920er Jahren. Der namensgebende Kristall (Bleiglanz) ist eingefasst in der linken der beiden gerändelten Scheiben sichtbar und wird über ein Federblech mit einer Spitze kontaktiert. Der Kristalldetektor ist eine frühe Form einer Schotky-Diode und diente zur Demodulation des empfangenen Signals. (Eine Seitenansicht findet sich hier: flic.kr/p/2ic9A5Y)
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Crystal detector (core of a radio of the early days), made by my great-grandfather in the 1920s. The name-giving crystal (galena) is embedded in the left of the two knurled discs and is contacted by a spring plate with a tip. The crystal detector is an early form of a Schotky diode and was used to demodulate the received signal. (A side view is here: flic.kr/p/2ic9A5Y)
Five minutes out of its scheduled stop in nearby Helper, Utah, the Rio Grande Zephyr train No. 17 passes ABS 6295E, between Utah Railway Junction and Castle Gate in Price Canyon on July 25, 1977. This perspective includes several D&RGW trackside elements including a steel signal bridge, a pole line, dragging equipment detector, dispatcher's telephone booth, and an electric switch lock to access a coal hopper storage track.
After getting stopped by the defect detector at Singer due to a handbrake 105 cars deep, NS 19M claws up Christiansburg mountain passing through Shawsville, Virginia with a pair of SD70ACes up front.
Macro Mondays - Safety, February 1, 2021
- This photo shows the inside of a fire detectors.
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Vom Urgrossvater des Sekretärs hergestelleter Kristalldetektor. Der Kristalldetektor bildete das zentrale Element von frühen Radios, sogenannten Detektorradios oder Detektorempfängern.
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Crystal detector, hand-made by Secretary's great-grandfather. The crystal detector was the core element of early radios, so-called crystal radio receivers or crystal sets.
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Auf der Brücke der «Cap San Diego». Die «Cap San Diego» ist ein nach wie vor seetüchtiges Museumsschiff (Baujahr 1961) und hat seinen Liegeplatz an der Überseebrücke des Hamburger Hafens.
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At the bridge of the "Cap San Diego". The "Cap San Diego" is a still seaworthy museum ship (built in 1961) and is moored at the Overseas Bridge (in German: "Überseebrücke") at the Port of Hamburg.
Metro. Lisboa
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The Waynesburg Southern branch of the Monongahela Railway, opened in 1968, did not have stations or lineside structures normally associated with lines of earlier vintages. It did have block limits set up at what would come to be known as control points along the way. Here a Conrail caboose on a northbound loaded train passes the dragging equipment detector at COT, in Pine Bank, Pennsylvania.
Pulling at Gladstone, CN 5404 passes the ancient detector at Gladstone. From what I can find, there's only one other existing example of this style of detector, which would read out the axles for the rear-end crew.
The Canadian National Grand Trunk heritage unit leading CSX K615 past CP154 in Painesville. The detector at CP150.6 reported 340 axles and 59 MPH.
"Spring, spring, spring it's you"
- these are the words of a some song.
Maybe hope and joy will come with her.
CN 5770 & CN 8927 lead a 512-axle CN 377 past the hotbox and dragging equipment detectors located at MP 29.2 of the Kingston Sub.
A wary Green Jay considers the danger of my presence near a feeding station at Sabal Palm Sanctuary outside Brownsville, Texas.
Metro. Lisboa.
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CP 6225 South blasts over the defect detector on the BNSF Hinckley Sub. just south of Boylston, WI on the evening of 4/20/20. CP has usually been running their twice a week 492 out of Superior in the afternoon or evenings, so I've done a couple of April chases. CP 6225 and 4406 have about 20 cars here on the short stretch of trackage built in the late 1980s to connect the former Soo Line with the former Great Northern as part of a line relocation project done by BN.
Mile Post 1165. No Defects, Repeat no Defects, Total Axle Count 4-8-4, Detector Out. Was a noise we all became well acquainted with whilst chasing trains around the BNSF.
BNSF loaded crude oil from Tioga, ND to Ferndale, WA (Phillips 66 Refinery).
3821-7308-5794(r)-5471(r) BNSF U TIOFEP0 04 West Java 28-4-25
Lisboa. Portugal
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Just playing around with the dashboard of the 2006 Infiniti G35 Coupe. Another of my Escher (or Droste) type photo manipulations. [see the first in the set for more info].
©2008 David C. Pearson, M.D.
The face of a hammerhead is a piece of incredible, primitive, engineering. Perfect for scanning for living creatures buried beneath the sand.
Who knows what that thing is really picking up?
This is a quick little build that I mostly completed in an evening, with some tweaks later as Bricklink orders arrived.
Fun fact: I only have two of those skulls, and one is on the ground in the cave. I had to take three photos and merge them to get the skull faces on all the legs. More will be here from Bricklink eventually...
Bonney works a beach with her metal detector in the cool of a late summer afternoon. Over the years. she has pulled a heap of colonial-eraand early American artifacts from this sand, where two centuries ago a vast wooden shipbuilding enterprise thrived.
From the Treaty of Paris that legitimized our nation on the world stage, until steam power finally eclipsed wind power for moving ships, American sailing vessels, stout and swift, plied fishing and trade routes across the North Atlantic under the new Star Spangled Banner. Many were built on Shipyard Lane in Duxbury, MA, where Bonney is beachcombing. Today a sharp eye is required to see any trace of this era of industry. A metal detector helps, too.
Aside: There are no wooded hillsides like this in Duxbury. I tucked a little piece of Vermont in the back as balm for my homesickness.