On eBay Now...Vintage 1975 Steelcase Model 451 312T Swivel Executive Office Chair For Sale
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Vintage 1975 Steelcase Model 451 312T Swivel Executive Office Chair:
$250.00
Vintage Steelcase Model 451 312T swivel executive chair manufactured in 1975 (see original Steelcase label).
Features molded upholstered shell with fixed armrests and 4-star aluminum swivel base with casters. Original vinyl upholstery in black.
Chair is in original vintage condition. Upholstery is intact with light wear consistent with age. Back panel shows cosmetic scuffing. Casters roll and swivel functions properly.
Solid mid-century modern office seating from a well-known American manufacturer.
Please review all photos carefully for condition details.
LOCAL PICKUP ONLY.
Vintage 1975 Hewlett Packard HP-21 Scientific Calculator CIB Box Manual Charger
$298.99
Vintage 1975 Steelcase Model 451 312T Swivel Executive Office Chair
$250.00
Vintage 1975 GNAT Computers ALU CPU S-100 Bus Board 74LS181 Altair 8800 IMSAI
$199.99
Popular Tutorials
Alarms and Indicator Circuit diagrams- Power supply failure alarm
- Theft preventer alarm
- Rain Alarm
- A simple electronic buzzer
- Water Level Indicator with alarm
- Stereo Channel Selector
- Low cost intercom using transistors
- Infrared Head Phones
- Use the CD-ROM drive as a audio CD player without the computer
- Audio Visual Indicator for Telephones
- Ultrasonic pest repellent
- Charge Monitor for 12V lead acid battery.
- Wiper Speed Control
- Dome Light Dimmer for Cars
- Car anti theft wireless alarm.
- Control electrical appliances using PC
- Simple Analog to Digital Converter
- PC based Frequency Meter
- 7 segment rolling display using PC
- Electronic Scoring Game
- JAM(Just A Minute) Circuit
- Flashy Christmas Lights
- TV remote control blocker
- Light Flasher (blinking lights)
- Automatic Dual output Display
- Emergency Light
- Automatic Room Lights
- Running Message Display
- Automatic Speed Controller for fans & Coolers
- Soft Button type Motor Direction Controller
- Super simple stepper motor controller
- Discrete component motor direction controller
- Negative supply from single positive supply
- Self switching Power Supply
- Ultra low drop linear voltage regulator
- Car anti theft wireless alarm.
- Long range FM transmitter
- Remote control using VHF modules
- 40 meter Direct Conversion Receiver
- Remote control using VHF modules
- Remote control using telephone
- A simple Remote control Tester
- Clap Activated Remote
- Radio Remote Control using DTMF
- Ultrasonic switch
- Magnetic proximity sensors
- Dew sensor
- Color Sensor
- Metal Detector
- Optical toggle switch using a single Chip
- Telephone Ringer using 556 dual timers
- Two line intercom plus a telephone changeover switch
- Telephone line based audio muting and light on circuit
- Having secrecy in parallel telephones
- Telephone call meter using calculator & COB
- High Resistance Voltmeter
- A simple Remote control Tester
- Contactless Mains Voltage Indicator
- Zener Diode Tester