MDB Ventures Unusual, Miscellaneous and One-of-a-kind Items

Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal/loktal, miniature, subminature, metal, power, transmitter tubes and many more.

MDB Ventures Unusual, Miscellaneous and One-of-a-kind Items

Qty Avail	Item	Price Each	Item Brand	Desc	Other Info	Condition	Notes
1	Razors	$5.00	Razor collection	Remington - Norelco - Shick	---	used	Collection of old electric razors and boxes - what you see is what you get (click on link to see picture)
1	Projector Carbons	$20.00	National Pearlex by Union Carbide	NOS	Comes in the original cardboard tube carton	Individual rods available for $1.00 each	14each 6mm diameter 8.5 inch long copper plated positive rods 20each 5.5mm diameter 6 inch long copper plated negative rods
1	Capacitor	$1.00	Sprague	1.2mfd	---	used	mountable can capacitor - 1.5 inch diameter - 1.5 inch tall - case ground - top terminal - three screw hole mount studs on bottom
2	Capacitor	$1.00	Sprague Vitamin Q	0.15mf 200V	---	NOS	---
1	Electro Voice	$10.00	E-29X	2636	---	NOS	phono cartridge needle - 16/ 33/ 45/ 78 rpm - Synthetic Sapphire tip - for E-29X / 1736 / 2636
4	ZIF 24 pin Sockets	$5.00 (each)	Textool	24 pin	ZIF socket	NOS (L)	New Textool 24 pin green Zero Insertion Force Socket
1	Relay Board	$0.50	Hathaway relays	circuit board is hand etched	48Vdc 9600 Ohm relays	used (L)	eight reed relays on the board - connection is via 26pin 0.1" right angle connector
17	Punch Tape	$2.00 / roll	NCR	PTW-2 buff color	oiled	NOS	one inch wide oiled paper tape for 7 and 8 hole tape punch machines such as Teletypes
7	Ornaments	$2.50	---	Not Decorated	---	---	Vacuum Tube Christmas Tree Ornaments
40	Roll Paper 2.5 inch	$0.50 / roll	Burroughs	2.25 inch wide 3 inch diameter	single ply coated NCR roll paper	NOS	NCR style clay coated roll paper for impact printing without requiring a ribbon (works with ribbons too) $0.50 per roll
1	Roll Paper 2.5 inch	$5.00	Burroughs	2.25 inch wide 3 inch diameter	25 rolls single ply roll paper	NOS	printing calculator roll paper - box 10x10x7.5 inches - 11 pounds - $5.00 for the box
1	Roll Paper 3.5 inch	$2.50	Burroughs	3.5 inch wide 3.25 inch diameter	25 rolls single ply roll paper	NOS	Plus two bonus rolls of two ply roll paper - box 10x10x11 inches - 18 pounds - $2.50 for the box
2	Roll Paper 8.5 inch	$5.00	Burroughs	8.5 inch wide 4.5 inch diameter	6 rolls single ply roll paper	NOS	box 14x9.5x9.5 inches - 20 pounds - $5.00 for the box
1	Roll Paper 8.5 inch	$5.00	Burroughs	8.5 inch wide 4.5 inch diameter	5 rolls single ply roll paper	NOS	box 14x9.5x9.5 inches - 17 pounds - $5.00 for the box
5	Floppy Disk 8 inch	$1.00 / pack of 20	BASF	8 inch 32 sector	hard sector floppy disks	NOS	each pack has two boxes of 10 floppy disks
1	Burroughs Mechanical Adder Parts	$5.00	Burroughs	Mechancial Adder	Parts	Used	Burroughs Mechanical Adder Parts

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).

How To Order:

Purchasing our Unusual, Miscellaneous and One-of-a-kind Items is easy.
Just send us an email indicating the items (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.