Manufactured by Welson & Co. in October 1971, the unit is a cotton duck base with 3 Beta cloth pockets and is 11 x 5 inches overall.
The pockets include flaps held closed by snap fasteners; inside the flaps are dummies of the electrocardiograph signal conditioner, the impedance pneumograph signal conditioner and the electrical current converter, all made of blue-anodized metal. These instruments monitored the physiological functions of the astronaut.
The base with snap fasteners at the edges to attach to either the constant wear garment or liquid cooling garment, underneath either the intravehicular or extravehicular pressure suit.
Identification label has the part number "SEB 13100084-204" and serial number "1550."
This beautifully crafted communications control assembly was used for routing communications, biomedical signals, and warning tones. The control head, often referred to as a "Cobra Head" by the astronauts, allowed the astronaut to speak to crewmates over the intercom (I'COM) or to Houston (XMIT). This example contains NASA stamps identification part numbers V56-715100-21 0632 and the serial number AAJ9360.
The photo of Apollo 17 astronauts Gene Cernan (left) and Ron Evans provide a fine example of what this artifact would have looked like in flight.
This Beta cloth PLSS cover, complete with hoses and angle connectors, was probably used for training. It was previously part of the collection of the Space Walk Hall of Fame.
It is an incredible item that seems to be complete, with its NASA patch and Water Reservoir Rechage instructional tag. Having seen these things in countless photos and video, it is fun to own one.
The tag reads: “Water Reservoir Recharge” 1. PLSS Aux H2O – Open 2. Connect WMS to PLSS H2O Drain 3. WMS Valve – Open 4. LM DES H2O – Open 5. Connect LM H2O to PLSS H2O Fill, Verify Condensate Flow thru WMS Sight Glass 6. Fill for 5 Minutes 7. Connect WMS to PLSS Prime Vent for 10 Seconds 8. Connect WMS to PLSS Aux Vent for 10 Seconds 9. WMS Valve – Close, Stow WMS Hose 10. PLSS Aux H2) – Close 11. Disconnect and Stow. LMH2O Hose
A section of beta cloth with an Apollo 11 mission emblem encased in lucite. It reads: "Man's greatest adventure. July 20, 1969 First men set foot on the moon. Fire-safe Fiberglass Beta yarns, originated and developed by Owens-Corning Fiberglas Corporation, were used in the space suits worn by the Apollo astronauts. This Apollo mission emblem is also printed on Beta fabric."