H1B, H4 Visa

had a successful first H1B visa interview at the new USA London embassy.

appointment Friday Sep 21 2018 @ 12:30 PM

reached embassy and joined the security queue at 12 PM
Took a backpack with all the documents listed below including mobile phone and over the ear headset

documents:
passport
DS160 confirmation page
Appointment/Instructions page
Original I797
Copy of I129 and LCA
Offer Letter
employment verification letter
support letter
6 months paystubs
original degree certificates
W2(s)
50mmX50mm photo

I'm a british citizen with UK passport
Cleared the initial security check in 15 minutes
collect token number from ground floor desk
reached first floor waiting area via lift
waited for my number to be called
in the first call to the interview window with visa officer, I was asked for passport and I797. gave 10 fingerprint scanning. also handed me a information pamphlet covering the rights of H1 visa holders
asked to go to the other side of waiting area and waited for second call

second call to the interview window with Visa officer resulted in exchange of information regarding below,
1. what do you do for your company?
2. what is your highest degree?
also handed me a information pamphlet covering the rights of H1 visa holders(again)

VO told the magic word " your visa is approved" and you should receive in 3 working days.
VO retained the passport and I797. Whole process took around 1.5 hours till exit out of embassy

I opted for home delivery of passport. Visa stamped on Monday and first delivery on Tuesday.
Missed my first and second delivery attempt by the carrier. Called the carrier office on Wednesday and opted for collection at delivery office on Thursday. Collected the passport and I797 on Thursday.

returned to states on Sep 30 via PHL.
simple interview at port of entry without asking any documents. new I94 entry issued till visa expiration.

all the best