Terry built these up for the shop.
This is the single action hand pump, low volume.
https://www.surpluscenter.com/Hydraulics/Hydraulic-Pumps/Hand-Pumps/1-5-cu-in-SA-Hand-Pump-Head-Wolverine-by-Prince-Mfg-WHP-15-SA-9-8436-15.axd
over a gallon resevoir
https://www.surpluscenter.com/Hydraulics/Hydraulic-Pumps/Hand-Pumps/300-cu-in-Steel-Tank-Hand-Pumps-Wolverine-by-Prince-Mfg-WHPT300-9-8438-300.axd
or a 1 qt pump item Number: 9-8438-60
all built up already.
https://www.surpluscenter.com/Hydraulics/Hydraulic-Pumps/Hand-Pumps/Hydraulic-Hand-Pump-1-2-Gallon-Tank-Prince-PM-HP-5B-9-5201.axd
royal hose north I35
Address: 1700 Lacy Dr, Fort Worth, TX 76177
Phone: (817) 626-2226
also, here is a brake bleeder with a air compressor, you have to be careful to unplug it, so it does not overpressure. Could use a 45 PSI cutoff sw
bleeder end fitting from aircraft spruce