Tasco 1575 manual Bulbs/Lamps, Popular Optics HOW to Book, VOLT, .25A, Mini Screw Base

Page 18 - Bulbs/Lamps To Order, call toll free: 1-877-7SURPLUS

192 PAGE POPULAR OPTICS "HOW TO" BOOK

If you are interested in experimenting with optics, building optical instruments, or just learning, this is the book for you.Here is the main breakdown of the book: The Optical Bench, Graphical Ray Tracing, Basic Optical Math, All about Magnifiers, How to Condense and Project Light, Optical Drawing Devices, Telescopes you can Build, Homemade Telephoto Systems, and Fun with

Optics.Included is info on finding focal length, all kinds of info on different types of lenses and their uses, image formation, testing, determining the power of a magnifier, field of an eyepiece, make a telescope into a micro- scope, all kinds of info on projectors, Camera Lucida, reflector and refrac- tor telescopes and inexpensive pipe mounts and tripods, making cradles, info on telephoto lenses and how they work and designs, how to make a simple spectroscope, etc., etc. 192 pages of interesting and fun stuff to do with optics. These are new and the latest edition.

M2291 $14.95

Bulbs/Lamps

FLAME TIP BULB,

2.2 VOLT, .25A, MINI SCREW BASE

Low voltage, works with 1-1/2 volt batteries or your solar cells. Package of 4.

M2105P $0.65

8 WATT U-BEND TYPE FLUORESCENT BLACKLIGHT BULB FTB-8T6-BL 8 Watt blacklight fluorescent bulb. Black light is the popular term for ultraviolet energy near the visible spectrum. Blacklights are used for a wide variety of applications including color matching, curing, sanitiza- tion, particle identification, art display, recreation, automotive, R12 chemical leak detection, and lots of fun stuff. We couldn't find these specific ones listed any-

where so we may be the only source for these replacement bulbs for your blacklight devices. U Bend shape with 4 pin base. We've been told that there are adapters that will allow you to screw these into a regular light socket, but haven't found them yet. Unused.One of our customers advises that this works in his 15 Watt Bug Zapper which needs UV!

M2138 $1.50 or 10 for $10.00