Early model A4 single pen computer controlled digital plotter. Cream coloured plastic outer case with clear tinted hinged plastic cover over pen compartment. On the back panel various inscription panels indicating it is a Hewlett Packard machine Model 7470A Serial No. 2210A 12562.drafting, computers, digital

Computer controlled digital plotter, A3 paper size with 6 pens of various colours. Beige plastic case with clear tinted hinged cover over pen compartment.Makers name "digital" on front panel. Stick on label on back panel with cautions and warnings. Also Model LVP16, SN: HY 01106.computers, drafting, digital

Gauge for measuring pressure. Blue anodised diecast casing. Vestige of plastic tube emerging from the top. Hand operated brass pump on the bottom.Noneinstruments, pressure

First programmable calculator used by Thompsons Castlemaine Ltd..1) Hewlett Packard programmable calculator model HP9100A. Cream coloured metal housing. Four segment keyboard with keys coloured grey, cream and fawn. .2) Selection of 10 diagnostic cards for above in a plastic case with a clear plastic hinged push back lid..1) Serial number on rear plate "816-00508". .2) Cards part number 5060-5919.engineering, programmable calculator

Hewlett Packard early model programmable calculator. Dark brown and cream metal casing. 5 banks of keys coloured brown and orange. Instruction sheet on lift up flap RH side top. 2 removable program cartridges, one pre-programmed, the other user programmable. Carry handle on front.Model No." 9820A", Serial No. "1144A00851"

.1) Hehlett Packard 1978 design programmable calculator. Cream plastic case. Keyboard layout similar to modern computers. .2) Loose leaf file containing operating instructions and two programmable cartridges. .3) & .4) Quick reference guide books, spiral bound. .5) Calculator 9825A system test booklet bound with staples.On small plate on top of projecting power socket "9825A" serial No.trades, drafting

Black bakelite telephone with handpiece attached by a chord. Front dial has a central handle that can be turned to contact central switchboard. No direct dial facility. Sits on rubber feet.On base marked in white "PMG / TE55 338HT / S1/60"communications, telephonic

.1) Hinged lid wooden box with brass fittings and green felt covered rests inside. .2) "Fuller" type circular slide rule calculator Model No. 1. .3) Brass stand which slots into one end of box and holds calculator in position for ease of use. .4 ...7) Instruction booklets for operating the calculator. .8) Letter from importer re enquiry for circular slide rules to be used at Thompsons Engineering and Pipe Works.Imprinted on bakelite base of cylinder "Stanley / Trade Mark".trades, drafting, instruments, measuring

Seven boxed drafting sets containing compasses, pens and dividers. Padded lids, interiors lined with velvet, blue, black or green. .1) Belonged to Peter Fraser. .2) Belonged to Ian Hooper. .6) Belonged to Noel Cawthorn. .6 & .7) Embossed on lids "Eco O Bra / Kandidat". .1) "Koala / Series / Made in Australia".instruments, trades, drafting, containers