Try, https://www.replacementlightbulbs.com.
IIRC, I have bought a number of enlarger bulbs from them and a correct 30 watt bulb for my Thomas safe light.
They are, in my limited opinion, the best source for bulbs, bar none.
The prices I saw online, (other than replacementlightbulbs) for Thomas bulbs are outrageous, but I did no have the time to sort through the above link for the correct 30w bulb.
I can look for some receipts in my stash of enlarger/safelight bulbs, in the next day or so, and If I find I have sent you to the wrong site, I'll post a correction.
Cheers.
Last edited by eli; 24-Feb-2020 at 17:15. Reason: correction or error
I believe the Thomas Duplex bulbs are 35 watts, and are what I have in my Thomas safelights. Look for Sox 35. Replacementlighbulbs is where I get my enlarger bulbs (Leitz and Devere) as well, but the auction place has great prices for these bulbs. Just need to scroll past the pricey ones
notch codes ? I only use one film...
State surplus store. In sealed rolled paper labeled DUPLEX LDS Lamp. Almost passed it up until I read in small print "Thomas Instrument Co. Inc." Even then wasn't allowed to unseal the packing paper and inspect what it was till I had purchased it.... No returns but that time I got lucky.
Photo items always go for pennies, but you have to get there when it opens. Most weeks nothing, then some department cleaned out their darkroom and a flood of items all of a sudden appear. Paper and film always an iffy bargain bcause you have no idea how they were stored. Once picked up a couple of unopened boxes of EM glass plates and ended up throwing them all out cause they were severely fogged. Another time boxes of unopened paper that were really outdated but turned out to be fine. You take your chances...
Thank you Fred L, eli, & Greg for your replies ... greatly appreciated!
Time for me to stock up.
Drewf64
I have been using this same sink for about 15 years now (it replaced another, also of 3/4"plywood, coated with a 2-part epoxy resin from Tap Plastics). This newer sink has held up well exceptionally to my demands, and has even withstood undiluted spills of both H2SO4 and HCL without any obvious damage. It is absolutely impervious to water. PMK stains are evident in the coating, but these do not bother me and may be less obvious or not evident at all in darker-colored coatings. Otherwise, this sink as performed admirably. As I recall it was about $300 to have the Reflex coating sprayed on. I do not know what it would cost for the same service today, but I would not hesitate to use the same material again were I to need another sink, and I recommend this material or the softer Rhino coating as alternatives to marine paints and epoxies. Line-x will work equally well, but it is definitely harder and therefore louder and less kind to dropped or knocked over glass cylinders than Reflex or Rhino.
N. Riley
http://normanrileyphotography.com
If my memory serves me well, Thomas Instrument offered different wattage bulbs for their sodium-vapor safelights. Mine has the higher wattage bulb in it and if I raise up the filters, the safelight emits too much light to work with. Still safe to use papers with it, but just too bright a darkroom environment for my taste.
notch codes ? I only use one film...
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