Early Mk.I* "TL13F", CB180

[Nech]

Thank you everyone gentleman for your information. You gave me the right direction, I am getting the answers to my questions.
The SE-83-44 parts catalogue says:


SPEEDOMETER - U.K. design manufactured by Smiths 0-40mph
SWITCHBOARD - CAV-BOSCH 47-51 (when depleted, replaced by..) manufactured by C.A.V.
OIL PRESSURE GAUGE - U.K. No.20894/5 (when depleted, replaced by..) manufactured by Smiths 0-100 lbs
THERMOMETER - Dash unit U.K. No. AQ/TCL/181/108 manufactured by A.R.I.C. 120-240F
AMMETER - U.K. No. CB/5289/25A manufactured by C.A.V. 0-25A
DASH LAMP - U.K. design
HORN - PUSH - U.K. No.LV/HP19L (when depleted, not replaced)
SWITCH STARTER - U.K. No. LV/764361
SOCKET INSPECTION LAMP - U.K. No. LV/L1502/5

I suppose I can apply those data to my early machine.